
CHAPTER 2 PIN FUNCTIONS
User’s Manual U14579EJ2V0UM
51
2.2.4
PC card interface signals
Table 2-4. PC Card Interface Signals
Signal Name
I/O
Function
C1A(25:0)
I/O
This is the PC card slot 1 address bus.
C1D(15:0)
I/O
This is the PC card slot 1 data bus.
CE1(2:1)#
I/O
This is the PC card slot 1 chip select signal.
CD1(2:1)#
I
This is the PC card slot 1 card detect signal.
OE1#
I/O
This is the PC card slot 1 output enable signal.
WE1#
O
This is the PC card slot 1 write enable signal.
READY1
I
This is the PC card slot 1 ready signal.
WP1
I/O
This is the PC card slot 1 write protect signal.
VS1(2:1)#
I/O
This is the PC card slot 1 card power supply identification signal.
IORD1#
I/O
This is the PC card slot 1 I/O read signal.
IOWR1#
I/O
This is the PC card slot 1 I/O write signal.
RESET1
O
This is the PC card slot 1 reset signal.
WAIT1#
I
This is the PC card slot 1 wait signal.
INPACK1#
I
This is the PC card slot 1 input acknowledge signal.
REG1#
I/O
This is the PC card slot 1 memory chip select signal.
BVD1(2:1)#
I
This is the PC card slot 1 battery voltage detect signal.
C2A(25:0)
I/O
This is the PC card slot 2 address bus.
C2D(15:0)
I/O
This is the PC card slot 2 data bus.
CE2(2:1)#
I/O
This is the PC card slot 2 chip select signal.
CD2(2:1)#
I
This is the PC card slot 2 card detect signal.
OE2#
I/O
This is the PC card slot 2 output enable signal.
WE2#
O
This is the PC card slot 2 write enable signal.
READY2
I
This is the PC card slot 2 ready signal.
WP2
I/O
This is the PC card slot 2 write protect signal.
VS2(2:1)#
I/O
This is the PC card slot 2 card power supply identification signal.
IORD2#
I/O
This is the PC card slot 2 I/O read signal.
IOWR2#
I/O
This is the PC card slot 2 I/O write signal.
RESET2
O
This is the PC card slot 2 reset signal.
WAIT2#
I
This is the PC card slot 2 wait signal.
INPACK2#
I
This is the PC card slot 2 input acknowledge signal.
REG2#
I/O
This is the PC card slot 2 memory chip select signal.
BVD2(2:1)#
I
This is the PC card slot 2 battery voltage detect signal.
PWCDATA
O
This is the serial data signal to the power supply control IC (TPS2202A compatible).
PWCCLK
O
This is the clock signal to the power supply control IC (TPS2202A compatible).
PWCLATCH
O
This is the data latch signal to the power supply control IC (TPS2202A compatible).