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Table 1-13
GPIO Port Definition Map II
GPIO
P1.7 (IS5_IRQ12)
P2.0 (KB5_MEMB0A0)
P2.1 (KB5_MEMB0A1)
P2.2 (KB5_MODE)
P2.3
P2.4 (KB5_MEMB1A0)
P2.5 (KB5_PSWD)
P2.6 (KB5_MEMB1A1)
P2.7 (PX3_OEM0)
P3.0 (SM5_TXD)
P3.1 (SM5_RXD)
P3.2 (KB5_KBDCLK)
P3.3 (KB5_PTRCLK)
P3.4 (KB5_KBDDAT)
P3.5 (KB5_PTRDAT)
P3.6 (KB5_TOUCHWR*)
P3.7 (KB5_TOUCHRD*)
ANI0 (KB5_PANID0)
ANI1 (KB5_PANID1)
ANI2 (KB5_PANID2)
ANI3 (KB5_PANID3)
GPIO Pin Assignment: 83C552
P0.0(SM5_CHARGEON#)
P0.1
P0.2 (SM5_BMCPWREN#)
P0.3 (SM5_P3/5VRON#)
P0.4 (SM5_SUSPEND)
P0.5 (SM5_PWRLED#)
P0.5 (SM5_PWRLED#)
P0.7 (SM5_SMIREQ#)
P1.0 (SI5_PNF)
P1.1 (SM5_1WIRE)
P1.2 (SM5_UNDOCK_REQ#)
P1.3 (PX3_CPUSTP#)
P1.4 (SM5_ATN#)
P1.5 (SM5_RST#)
P1.6 (SM5_CLK#)
P1.7 (SM5_DAT#)
I/O
Description
O
IRQ12
I
Address 0 of memory bank 0
I
Address 1 of memory bank 0
I
Detect KBD mode (1:US/EC 0:Japan)
I
NC
I
Address 0 of memory bank 1
I
Enable Password
I
Address 1 of memory bank 1
I
Address 1 of memory bank 1
I
Receiving data from SMC to KBC
O
Transmitting data from KBC to SMC
O
External KB clock
O
External PS/2 clock
O
External KB data
O
External PS/2 data
O
Write enable touch pad data
O
Read enable touch pad data
I
Panel ID
I
Panel ID
I
Panel ID
I
Panel ID: 3 2 1 0
O
Charge control enable
O
NC
O
BMC VCC power enable
O
3V and 5V power on
O
Suspend control enable
O
Power LED
O
Battery LED
O
SMC SMI request
I
Detect Printer or external FDD
IO
Dallas protocol
I
Undocked request
I
Detect CPU clock stop
IO
I2C inturrupt
IO
I2C reset
IO
I2C clock
IO
I2C data
0 0 0 0
12.1" TFT
0: FDD 1: Printer
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