.hide-partial { max-height: none; } .show-more { display: none; }

STMicroelectronics Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 5.724

Applied Filters:

Brand = STMicroelectronics

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Maximum Clock Frequency

Program Memory Size

L1 Cache Instruction Memory

L1 Cache Data Memory

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes

STM32WB55RCV6
STMicroelectronics
1: 35,21 kr.
1.391In Stock

Mfr. Part No.
STM32WB55RCV6

Mouser Part No
511-STM32WB55RCV6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 256 Kbytes

Learn More

Datasheet

1.391In Stock

35,21 kr.

29,17 kr.

27,90 kr.

26,04 kr.

25,44 kr.

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

VFQFPN-68

ARM Cortex M4

32 bit

64 MHz

256 kB

128 kB

12 bit

49 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 4Kbytes -40 to 85

STM8L101F2P6
STMicroelectronics
1: 9,92 kr.
5.906In Stock

Mfr. Part No.
STM8L101F2P6

Mouser Part No
511-STM8L101F2P6

STMicroelectronics

8-bit Microcontrollers - MCU 8-Bit UL PWR MCU 4Kbytes -40 to 85

Learn More

Datasheet

5.906In Stock

9,92 kr.

7,25 kr.

5,98 kr.

5,68 kr.

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

STM8

8 bit

16 MHz

4 kB

1.5 kB

No ADC

18 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8BIT Ultralow MCU 4KB Flash 1.5KB RAM

STM8L101F2P6TR
STMicroelectronics
1: 10,97 kr.
2.489In Stock

Mfr. Part No.
STM8L101F2P6TR

Mouser Part No
511-STM8L101F2P6TR

STMicroelectronics

8-bit Microcontrollers - MCU 8BIT Ultralow MCU 4KB Flash 1.5KB RAM

Learn More

Datasheet

2.489In Stock

Cut Tape

10,97 kr.

8,06 kr.

6,86 kr.

6,48 kr.

Reel

4,83 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

STM8

8 bit

16 MHz

4 kB

1.5 kB

No ADC

18 I/O

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

8-bit Microcontrollers - MCU 8-bit Ultralow MCU 16 KB Flash w/LCD

STM8L152K4T6
STMicroelectronics
1: 18,35 kr.
8.104In Stock

Mfr. Part No.
STM8L152K4T6

Mouser Part No
511-STM8L152K4T6

STMicroelectronics

8-bit Microcontrollers - MCU 8-bit Ultralow MCU 16 KB Flash w/LCD

Learn More

Datasheet

8.104In Stock

18,35 kr.

13,65 kr.

12,53 kr.

11,26 kr.

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-32

STM8

8 bit

16 MHz

16 kB

2 kB

12 bit

29 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit 64-Pin 64kB Flash

STM8L152R8T6
STMicroelectronics
1: 26,56 kr.
3.776In Stock

Mfr. Part No.
STM8L152R8T6

Mouser Part No
511-STM8L152R8T6

STMicroelectronics

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit 64-Pin 64kB Flash

Learn More

Datasheet

3.776In Stock

26,56 kr.

20,14 kr.

18,05 kr.

16,71 kr.

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-64

STM8

8 bit

16 MHz

64 kB

4 kB

12 bit

54 I/O

- 40 C

+ 85 C

Tray

32-bit Microcontrollers - MCU 32-BIT Embedded MCU 64 MHz 512kB Body

SPC560B50L5C6E0Y
STMicroelectronics
1: 54,76 kr.
360In Stock

Mfr. Part No.
SPC560B50L5C6E0Y

Mouser Part No
511-SPC560B50L5C6E0Y

STMicroelectronics

32-bit Microcontrollers - MCU 32-BIT Embedded MCU 64 MHz 512kB Body

Learn More

Datasheet

360In Stock

54,76 kr.

42,45 kr.

37,08 kr.

35,58 kr.

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

LQFP-144

e200z0

32 bit

64 MHz

512 kB

48 kB

- 40 C

+ 125 C

AEC-Q100

Tray

32-bit Microcontrollers - MCU 32-bit Pwr Architect MCU Auto Chassis

SPC560P40L1CEFBR
STMicroelectronics
1: 41,85 kr.
993In Stock

Mfr. Part No.
SPC560P40L1CEFBR

Mouser Part No
511-SPC560P40L1CEFBR

STMicroelectronics

32-bit Microcontrollers - MCU 32-bit Pwr Architect MCU Auto Chassis

Learn More

Datasheet

993In Stock

Cut Tape

41,85 kr.

32,00 kr.

28,12 kr.

26,86 kr.

Reel

21,78 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

32-bit Microcontrollers - MCU

SMD/SMT

LQFP-64

e200z0h

32 bit

64 MHz

256 kB

20 kB

10 bit

37 I/O

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

32-bit Microcontrollers - MCU 32-BIT Embedded MCU 80 MHz, 1.5 Mbyte

SPC563M64L5COAR
STMicroelectronics
1: 102,43 kr.
496In Stock

Mfr. Part No.
SPC563M64L5COAR

Mouser Part No
511-SPC563M64L5COAR

STMicroelectronics

32-bit Microcontrollers - MCU 32-BIT Embedded MCU 80 MHz, 1.5 Mbyte

Learn More

Datasheet

496In Stock

Cut Tape

102,43 kr.

79,08 kr.

72,14 kr.

66,84 kr.

Reel

59,98 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

32-bit Microcontrollers - MCU

SMD/SMT

LQFP-144

e200z335

32 bit

80 MHz

1.5 MB

94 kB

2 x 8 bit/10 bit/12 bit

105 I/O

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU Cortex M0 16kB 48MHz Motor CTRL SRAM MCU

STM32F031G4U6
STMicroelectronics
1: 17,23 kr.
8.085In Stock

Mfr. Part No.
STM32F031G4U6

Mouser Part No
511-STM32F031G4U6

STMicroelectronics

ARM Microcontrollers - MCU Cortex M0 16kB 48MHz Motor CTRL SRAM MCU

Learn More

Datasheet

8.085In Stock

17,23 kr.

12,83 kr.

11,71 kr.

10,52 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-28

ARM Cortex M0

32 bit

48 MHz

16 kB

4 kB

12 bit

23 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 32 Kbytes of Flash 48 MHz CPU, motor co

STM32F031K6T6
STMicroelectronics
1: 22,16 kr.
1.671In Stock

Mfr. Part No.
STM32F031K6T6

Mouser Part No
511-STM32F031K6T6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 32 Kbytes of Flash 48 MHz CPU, motor co

Learn More

Datasheet

1.671In Stock

22,16 kr.

16,71 kr.

15,29 kr.

13,80 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-32

ARM Cortex M0

32 bit

48 MHz

32 kB

4 kB

12 bit

25 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu

STM32F071VBT6
STMicroelectronics
1: 28,87 kr.
868In Stock

Mfr. Part No.
STM32F071VBT6

Mouser Part No
511-STM32F071VBT6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu

Learn More

Datasheet

868In Stock

28,87 kr.

23,05 kr.

21,56 kr.

21,48 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M0

32 bit

48 MHz

128 kB

16 kB

12 bit

87 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 128 Kbytes of Flash 48 MHz CPU, USB, CAN &

STM32F072CBT7
STMicroelectronics
1: 28,20 kr.
1.336In Stock

Mfr. Part No.
STM32F072CBT7

Mouser Part No
511-STM32F072CBT7

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 128 Kbytes of Flash 48 MHz CPU, USB, CAN &

Learn More

Datasheet

1.336In Stock

28,20 kr.

23,13 kr.

21,93 kr.

20,52 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M0

32 bit

48 MHz

128 kB

16 kB

12 bit

37 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 128 Kbytes of Flash 48 MHz CPU, USB, CAN &

STM32F072RBT7
STMicroelectronics
1: 38,49 kr.
629In Stock

Mfr. Part No.
STM32F072RBT7

Mouser Part No
511-STM32F072RBT7

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 128 Kbytes of Flash 48 MHz CPU, USB, CAN &

Learn More

Datasheet

629In Stock

38,49 kr.

29,54 kr.

27,30 kr.

24,77 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

ARM Cortex M0

32 bit

48 MHz

128 kB

16 kB

12 bit

51 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash

STM32F100VCT6B
STMicroelectronics
1: 36,70 kr.
706In Stock

Mfr. Part No.
STM32F100VCT6B

Mouser Part No
511-STM32F100VCT6B

STMicroelectronics

ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 32kB Flash

Learn More

Datasheet

706In Stock

36,70 kr.

29,24 kr.

27,53 kr.

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

24 MHz

256 kB

24 kB

12 bit

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 512kB Flash

STM32F100VET6B
STMicroelectronics
1: 64,16 kr.
567In Stock

Mfr. Part No.
STM32F100VET6B

Mouser Part No
511-STM32F100VET6B

STMicroelectronics

ARM Microcontrollers - MCU ARM 32Bit Value Line 100-Pin 512kB Flash

Learn More

Datasheet

567In Stock

64,16 kr.

46,55 kr.

42,82 kr.

39,76 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

24 MHz

512 kB

32 kB

12 bit

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Access Line 364kB

STM32F101RDT6TR
STMicroelectronics
1: 57,74 kr.
97In Stock

Mfr. Part No.
STM32F101RDT6TR

Mouser Part No
511-STM32F101RDT6TR

STMicroelectronics

ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Access Line 364kB

Learn More

Datasheet

97In Stock

Cut Tape

57,74 kr.

44,83 kr.

41,63 kr.

38,05 kr.

Reel

34,24 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M3

32 bit

36 MHz

384 kB

48 kB

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

ARM Microcontrollers - MCU 32BIT Cortex M3 FL ACCESS LINE ADV

STM32F101T8U6
STMicroelectronics
1: 37,60 kr.
1.724In Stock

Mfr. Part No.
STM32F101T8U6

Mouser Part No
511-STM32F101T8U6

STMicroelectronics

ARM Microcontrollers - MCU 32BIT Cortex M3 FL ACCESS LINE ADV

Learn More

Datasheet

1.724In Stock

37,60 kr.

28,72 kr.

26,56 kr.

24,10 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFQFPN-36

ARM Cortex M3

32 bit

36 MHz

64 kB

10 kB

12 bit

26 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE

STM32F103C6T7A
STMicroelectronics
1: 31,93 kr.
961In Stock

Mfr. Part No.
STM32F103C6T7A

Mouser Part No
511-STM32F103C6T7A

STMicroelectronics

ARM Microcontrollers - MCU 32BIT Cortex M3 L/D Performance LINE

Learn More

Datasheet

961In Stock

31,93 kr.

24,54 kr.

23,50 kr.

21,86 kr.

21,26 kr.

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M3

32 bit

72 MHz

32 kB

10 kB

12 bit

37 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN 32KB

STM32F103R6T6A
STMicroelectronics
1: 41,18 kr.
985In Stock

Mfr. Part No.
STM32F103R6T6A

Mouser Part No
511-STM32F103R6T6A

STMicroelectronics

ARM Microcontrollers - MCU 32BIT Cortex M3 L/D PERF LN 64 PIN 32KB

Learn More

Datasheet

985In Stock

41,18 kr.

31,63 kr.

29,24 kr.

28,57 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M3

32 bit

72 MHz

32 kB

10 kB

12 bit

51 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb

STM32F103ZFT6
STMicroelectronics
1: 83,78 kr.
224In Stock

Mfr. Part No.
STM32F103ZFT6

Mouser Part No
511-STM32F103ZFT6

STMicroelectronics

ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb

Learn More

Datasheet

224In Stock

83,78 kr.

68,71 kr.

64,90 kr.

61,32 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M3

32 bit

72 MHz

768 kB

96 kB

12 bit

112 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 512 Kbytes of Flash , 120 MHz CPU, ART Accel

STM32F205VET7
STMicroelectronics
1: 88,92 kr.
512In Stock

Mfr. Part No.
STM32F205VET7

Mouser Part No
511-STM32F205VET7

STMicroelectronics

ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 512 Kbytes of Flash , 120 MHz CPU, ART Accel

Learn More

Datasheet

512In Stock

88,92 kr.

65,50 kr.

60,50 kr.

56,40 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M3

32 bit

120 MHz

512 kB

128 kB

12 bit

82 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 512Kb

STM32F205ZET7
STMicroelectronics
1: 91,76 kr.
146In Stock

Mfr. Part No.
STM32F205ZET7

Mouser Part No
511-STM32F205ZET7

STMicroelectronics

ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 512Kb

Learn More

Datasheet

146In Stock

91,76 kr.

75,05 kr.

70,80 kr.

66,39 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M3

32 bit

120 MHz

512 kB

128 kB

12 bit

114 I/O

- 40 C

+ 105 C

Tray

ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB

STM32F207ZCT6
STMicroelectronics
1: 92,88 kr.
424In Stock

Mfr. Part No.
STM32F207ZCT6

Mouser Part No
511-STM32F207ZCT6

STMicroelectronics

ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 256kB

Learn More

Datasheet

424In Stock

92,88 kr.

73,33 kr.

64,83 kr.

63,71 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-144

ARM Cortex M3

32 bit

120 MHz

256 kB

96 kB

12 bit

114 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash 120 MHz CPU, ART Accel, E

STM32F207ZCT7
STMicroelectronics
1: 113,99 kr.
268In Stock

Mfr. Part No.
STM32F207ZCT7

Mouser Part No
511-STM32F207ZCT7

STMicroelectronics

ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash 120 MHz CPU, ART Accel, E

Learn More

Datasheet

268In Stock

113,99 kr.

89,59 kr.

81,61 kr.

75,72 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

LQFP-144

Tray

ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7

STM32F302R6T6
STMicroelectronics
1: 43,34 kr.
539In Stock

Mfr. Part No.
STM32F302R6T6

Mouser Part No
511-STM32F302R6T6

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 64 Kbytes of Flash 7

Learn More

Datasheet

539In Stock

43,34 kr.

33,20 kr.

29,17 kr.

27,23 kr.

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-64

ARM Cortex M4

32 bit

72 MHz

32 kB

16 kB

6 bit/8 bit/10 bit/12 bit

51 I/O

- 40 C

+ 85 C

Tray

STMicroelectronics Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-100
BGA-132
BGA-144
BGA-168
BGA-169
BGA-176
BGA-216
BGA-292
BGA-64
BGA-73
CSP-100
CSP-115
CSP-36
CSP-48
CSP-64
CSP-72
CSP-81
FPBGA-292
FPBGA-302
FPBGA-386

ARM1176JZ-F
ARM Cortex-A35
ARM Cortex A35, ARM Cortex M33
ARM Cortex A7
ARM Cortex A7, ARM Cortex M4
ARM Cortex M0
ARM Cortex-M0, ARM Cortex-M4
ARM Cortex M0+
ARM Cortex M0+, ARM Cortex M4
ARM Cortex M3
ARM Cortex M33
ARM Cortex M33, ARM Cortex A35
ARM Cortex M35P
ARM Cortex M4
ARM Cortex M4, ARM Cortex M7
ARM Cortex M4F
ARM Cortex M55
ARM Cortex M7
ARM Cortex-R52+
e200z0

8 MHz
15 MHz
16 MHz
16 MHz/32 MHz
20 MHz
24 MHz
32 MHz
32 MHz, 64 MHz
36 MHz
48 MHz
56 MHz
64 MHz
72 MHz
80 MHz
80 MHz, 120 MHz
80 MHz, 160 MHz
84 MHz
96 MHz
100 MHz
110 MHz

0 B
1 KB
2 kB
4 kB
8 kB
16 kB
32 kB
64 kB
96 kB
128 KB
128 kB
160 kB
176 kB
192 kB
256 kB
320 kB
384 kB
512 kB
640 kB
768 kB

384 B
512 B
1 kB
1.5 kB
2 kB
4 kB
6 kB
8 kB
10 kB
12 kB
16 KB
16 kB
18 kB
20 kB
22 kB
24 kB
32 KB
32 kB
36 kB
40 kB

2 x 10 bit
2 x 10 bit, 5 x 12 bit, 6 x 16 bit
2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
2 x 8 bit/10 bit/12 bit
3 x 10 bit, 5 x 12 bit, 6 x 16 bit
3 x 12 bit
3 x 12 bit, 1 x 16 bit
3 x 16 bit
4 x 12 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
5 x 12 bit, 2 x 16 bit
6 bit/8 bit/10 bit/12 bit
8 bit to 16 bit
10 bit
10 bit, 12 bit
10 bit, 3 x 12 bit
10 bit, 4 x 12 bit

5 I/O
6 I/O
8 I/O
9 I/O
10 I/O
11 I/O
14 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O