User's Manual Part 1

MC75 Hardware Interface Description
Strictly confidential / Draft
s
MC75_V00.190a Page 66 of 91 15.02.2005
5.3 Pin Assignment and Signal Description
The Molex board-to-board connector on MC75 is an 80-pin double-row receptacle. The
names and the positions of the pins can be seen from Figure 1 which shows the top view of
MC75.
1 GND GND 80
2
nc Do not use
79
3
nc
PWR_IND 78
4 GND
Do not use
77
5
Do not use Do not use
76
6 SD_WP
Do not use
75
7
Do not use
SD_D3 74
8 SD_DETECT SD_D2 73
9 SD_CMD SD_D1 72
10 SD_CLK SD_D0 71
11 I2CCLK I2CDAT 70
12 VUSB_IN USB_DP 69
13 USC5 USB_DN 68
14 ISENSE VSENSE 67
15 USC6 VMIC 66
16 CCCLK EPN2 65
17 CCVCC EPP2 64
18 CCIO EPP1 63
19 CCRST EPN1 62
20 CCIN MICN2 61
21 CCGND MICP2 60
22 USC4 MICP1 59
23 USC3 MICN1 58
24 USC2 AGND 57
25 USC1 IGT 56
26 USC0 EMERG_RST 55
27 BATT_TEMP DCD0 54
28 SYNC CTS1 53
29 RXD1 CTS0 52
30 RXD0 RTS1 51
31 TXD1 DTR0 50
32 TXD0 RTS0 49
33 VDDLP DSR0 48
34 VCHARGE RING0 47
35 CHARGEGATE VEXT 46
36 GND BATT+ 45
37 GND BATT+ 44
38 GND BATT+ 43
39 GND BATT+ 42
40 GND BATT+ 41
Figure 34: Pin assignment (component side of MC75)