10

SM_GND

SM ground

-

11

SM_D5

SM 16 bit data bus

IN/OUT

12

SM_D3

SM 16 bit data bus

IN/OUT

13

SM_D6

SM 16 bit data bus

IN/OUT

14

SM_D2

SM 16 bit data bus

IN/OUT

15

SM_D7

SM 16 bit data bus

IN/OUT

16

SM_D1

SM 16 bit data bus

IN/OUT

17

SM_LVD

SM low voltage detection

IN

18

SM_D0

SM 16 bit data bus

IN/OUT

19

SD_DAT1

MMC/SD 16 bit data bus

IN/OUT

20

MS_GND

MS ground

-

21

SD_DAT0

MMC/SD 16 bit data bus

IN/OUT

22

MS_BS

MS bus state

IN

23

SD_GND

SD ground

-

24

MS_VCC

MS logic power supply

OUT

25

SD_CLK

MMC/SD clock

IN

26

MS_DIO(D0)

MS 16 bit data bus

IN/OUT

27

SD_VCC

SD logic power supply

OUT

28

Reserve(D2)

MS 16 bit data bus

IN/OUT

29

SD_GND

SD ground

-

30

MS_INS

MS insertion detection

IN

31

SD_CMD

MMC/SD command

IN/OUT

32

Reserve(D3)

MS 16 bit data bus

IN/OUT

33

MS_SCLK

MS system clock

IN

34

SD_DAT3

MMC/SD 16 bit data bus

IN/OUT

35

MS_VCC(D1)

MS logic power supply

IN

36

SD_DAT2

MMC/SD 16 bit data bus

IN/OUT

37

MS_GND

MS ground

-

38

SM_GND

SM ground

-

39

SM_WPX-IN

SM write protect

IN

40

SM_BSYX

SM busy

IN

41

SM_WEX

SM write enable

IN

42

SM_REX

SM read enable

IN

43

SM_ALE

SM address latch enable

IN

44

SM_CEX

SM chip enable

IN

45

SM_CLE

SM command latch enable

IN

46

SM_VCC

SM logic power supply

OUT

47

SM_GND

SM ground

-

48

SM_WPSW

SM write protect

IN

49

SM_WPSW_GND

SM write protect ground

-

50

Frame_GND

Frame ground

-

51

Frame_GND

Frame ground

-

3-9

Page 59
Image 59
Canon qy8-13az-000 service manual Smgnd