Pin description
STA8088EXG
Table 8.
Port 0 pins (continued)
Mode
Symbol I/O voltage I/O
Functions
TFBGA169
I/O Default MMC_DATA0: multimedia card data 0
P0.20
VDD_IOR2 I/O
O
A
B
GPIO20: general purpose I/O
E1
MAG_0GNS: GNS 3bit coding output (MAG0)
I/O Default MMC_DATA1: multimedia card data 1
P0.21
VDD_IOR2 I/O
O
A
B
GPIO21: general purpose I/O
E2
E3
MAG_1GNS: GNS 3bit coding output (MAG1)
I/O Default MMC_DATA2: multimedia card data 2
P0.22
VDD_IOR2 I/O
I/O
A
B
GPIO22: general purpose I/O
MAG_0GGPS: GGPS 3bit coding output (MAG0)
I/O Default MMC_DATA3: multimedia card data 3
I/O
I/O
A
B
GPIO23: general purpose I/O
P0.23
VDD_IOR2
E4
MAG_1GGPS: GGPS 3bit coding output (MAG1)
I/O Default MMC_DATA4: multimedia card data 4
I/O GPIO24: general purpose I/O
I/O Default MMC_DATA5: multimedia card data 5
I/O GPIO25: general purpose I/O
I/O Default MMC_DATA6: multimedia card data 6
I/O GPIO26: general purpose I/O
I/O Default MMC_DATA7: multimedia card data 7
I/O GPIO27: general purpose I/O
I/O Default MMC_CMD: multimedia card command line
P0.24
P0.25
P0.26
P0.27
P0.28
VDD_IOR2
VDD_IOR2
VDD_IOR2
VDD_IOR2
VDD_IOR2
F1
F2
F3
F4
D2
A
A
A
A
I/O
O
A
Default
A
GPIO28: general purpose I/O
MSPout_SDATA/iopwrsel_r2: MSP serial data output/
I/O ring 2 power selection
P0.29
P0.30
VDD_IOR2
VDD_IOR2
C3
C2
I/O
O
GPIO29: general purpose I/O
Default MSPout_LRCLK MSP left/right clock output
GPIO30: general purpose I/O
Default MSPout_SCLK: MSP serial clock output
I/O
O
A
P0.31
VDD_IOR2 I/O
O
A
B
GPIO31: general purpose I/O
PRNSEQ0
C1
1. Only for Automotive Grade devices.
14/24
Doc ID 022725 Rev. 2
STMICROELECTRONICS [ ST ]
