Toshiba TLCS-900/H1 Series Manual page 9

2.3 Pin Names and Functions
The following table shows the names and functions of the input/output pins
Number of
Pin Name
Pins
D0 to D7 8
P10 to P17
8
D8 to D15
P20 to P27
D16 to D23 8
KO0 to KO7
P30 to P37
8
D24 to D31
P40 to P47
8
A0 to A7
P50 to P57
8
A8 to A15
P60 to P67
8
A16 to A23
P70
1
RD
P71
1
WRLL
NDRE
P72
1
WRLU
NDWE
P73
1
EA24
P74
1
EA25
P75
1
R/ W
NDR/B
P76
1
WAIT
Table 2.3.1 Pin Names and Functions (1/5)
I/O
I/O Data: Data bus 0 to 7
I/O Port 1: I/O port input or output specifiable in units of bits
I/O Data: Data bus 8 to 15
I/O Port 2: I/O port input or output specifiable in units of bits
I/O Data: Data bus 16 to 23
Output Key output 0 to 7: Pins used of key-scan strobe (Open-drain output programmable)
I/O Port 3: I/O port input or output specifiable in units of bits
I/O Data24: Data bus 24 to 31
Output Port 4: Output port
Output Address: Address bus 0 to 7
Output Port 5: Output port
Output Address: Address bus 8 to 15
I/O Port 6: I/O port input or output specifiable in units of bits
Output Address: Address bus 16 to 23
Output Port70: Output port
Output Read: Outputs strobe signal to read external memory
I/O Port 71: I/O port
Output Write: Output strobe signal for writing data on pins D0 to D7
Output NAND flash read: Outputs strobe signal to read external NAND flash
I/O Port 72: I/O port
Output Write: Output strobe signal for writing data on pins D8 to D15
Output Write Enable for NAND flash
Output Port 73: Output port
Output Extended Address 24
Output Port 74: Output port
Output Extended Address 25
I/O Port 75: I/O port
Output Read/Write: 1 represents read or dummy cycle; 0 represents write cycle
Input NAND flash ready (1)/Busy (0) input
I/O Port 76: I/O port
Input Wait: Signal used to request CPU bus wait
Function
92CH21-7
TMP92CH21
2009-06-19