Rainbow Electronics W90P710CDG - Manual (Page 24)

W90P710CD/W90P710CDG
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Table 5.1 W90P710 Pins Description (Continued)
Pin Name
IO
Type
Description
SCHI/SD/XDMA
SC0_RST /
SD_DAT0 /
GPIO [27] /
VD[15]
IO
Smart Card Reset Output to Card 0.
SD Mode – Data Line Bit 0;
General Purpose In/Out [27]
LCD Pixel Data Output[15]
.
SC0_PRES /
SD_DAT1 /
GPIO [26]
VD[14]
IO
Smart Card 0 Presence Contact Input.
SD Mode – Data Line Bit 1.
General Purpose In/Out [26]
LCD Pixel Data Output[14]
. ]
SC0_nPWR /
SD_DAT2 /
GPIO [25] /
VD[13]
IO
Smart Card 0 Power FET Control Signal Output.
SD Mode – Data Line Bit 2.
General Purpose In/Out [25]
LCD Pixel Data Output[13].
SC1_DAT /
SD_DAT3 /
GPIO [24] /
VD[12]
IO
Smart Card I/O Contact to Card 1.
SD Mode – Data Line Bit 3;
General Purpose In/Out [24]
LCD Pixel Data Output[12]
.
SC1_CLK /
GPIO [23] /
VD[11]
IO
Smart Card Clock Output to Card 1.
General Purpose In/Out [23]
LCD Pixel Data Output[11]
.
SC1_RST /
SD_CD /
GPIO [22] /
VD[10]
IO
Smart Card Reset Output to Card 1.
SD Mode – Card Detect.
General Purpose In/Out [22]
LCD Pixel Data Output[10]
.
SC1_PRES /
nXDREQ /
GPIO [21] /
VD[9]
IO
Smart Card 1 Presence Contact Input.
External DMA Request.
General Purpose In/Out [21]
LCD Pixel Data Output[9]
.
SC1_nPWR /
nXDACK /
GPIO [20] /
VD[8]
IO
Smart Card 1 Power FET Control Signal Output.
External DMA Acknowledgement.
General Purpose In/Out [20]
LCD Pixel Data Output[8]
.
LCD Interface
VD [7:0] /
GPIO [41:34]/
KPCOL[7:0]
IOU
LCD Pixel Data Output [7:0].
General Purpose In/Out [41:34]
Keypad Column input [7:0], active low
HSYNC /
GPIO [33]/
KPROW[3]
IOU
Horizontal Sync
General Purpose In/Out [33]
Keypad ROW[3] scan output.
VSYNC /
GPIO [32]/
KPROW[2]
IOU
Vertical Sync
General Purpose In/Out [32]
Keypad ROW[2] scan output.
VDEN /
GPIO [31]/
KPROW[1]
IOU
Data Enable or Display Control Signal.
General Purpose In/Out [31]
Keypad ROW[1] scan output.