Table of Contents
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Number
Pin name
of Pins
P86
CSZD
1
ND
0
CE
P87
CSXB
1
ND
1
CE
P90
1
TXD0
P91
1
RXD0
P92
SCLK0
1
CTS
0
P96
1
INT4
PX
P97
1
PY
PA0 to PA7
8
KI0 to KI7
PC0
1
INT0
PC1
INT1
1
TA0IN
PC2
1
INT2
PC3
INT3
1
TA2IN
PC4
1
EA26
PC5
1
EA27
PC6
1
EA28
PC7
1
KO8
Table 2.2.1 Pin names and functions (2/6)
I/O
Output
Port 86 : Output port.
Output
Expanded address ZD : Outputs "Low" when address is within specified address area.
Output
Chip select of NAND Flash 0: Outputs "Low" when NAND Flash 0 is enable.
Output
Port 87 : Output port.
Output
Expanded address XB : Outputs "Low" when address is within specified address area.
Output
Chip select of NAND Flash 1: Outputs "Low" when NAND Flash 1 is enable.
I/O
Port 90: I/O port.
Output
Transmit data of serial 0: programmable open drain output.
I/O
Port 91: I/O port. (Schmitt input)
Input
Receive data of serial 0.
I/O
Port 92: I/O port. (Schmitt input)
I/O
Clock I/O of serial 0
Input
Enable to send data of serial 0 (Clear to send).
Input
Port 96: Input port. (schmitt input, with pull-up resistor)
Input
Interrupt request pin 4 : Interrupt request pin with programmable rising/falling edge.
Output
X-Plus : Pin connected to X+ pin for Touch Screen I/F.
Input
Port 97: Input port. (schmitt input)
Output
Y-Plus : Pin connected to Y+ pin for Touch Screen I/F.
Input
Port A0 to A7: Input port.
Input
Key input 0 to 7: For key on wake-up 0 to 7. (Schmitt input, with pull-up resistor)
I/O
Port C0: I/O port. (Schmitt input)
Input
Interrupt request pin 0 : Interrupt request pin with programmable rising/falling edge.
I/O
Port C1: I/O port. (Schmitt input)
Input
Interrupt request pin 1 : Interrupt request pin with programmable rising/falling edge.
Input
Timer A0 input: Input pin of 8 bit timer 0.
I/O
Port C2: I/O port. (Schmitt input)
Input
Interrupt request pin 2 : Interrupt request pin with programmable rising/falling edge.
I/O
Port C3: I/O port. (Schmitt input)
Input
Interrupt request pin 3 : Interrupt request pin with programmable rising/falling edge.
Input
Timer A2 input: Input pin of 8 bit timer 2.
I/O
Port C4: I/O port.
Output
Expanded address 26.
I/O
Port C5: I/O port.
Output
Expanded address 27.
I/O
Port C6: I/O port.
Output
Expanded address 28.
I/O
Port C7: I/O port.
Output
Key output 8: Key scan strobe pin (programmable open drain output).
92CZ26A-9
Functions
TMP92CZ26A
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