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3.7 Function of ports
TMP92CZ26A has I/O port pins that are shown in Table 3.7.1 in addition to functioning as
general-purpose I/O ports, these pins are also used by internal CPU and I/O functions. Table
3.7.2 lists I/O registers and their specifications.
Table 3.7.1 Port Functions (1/3)
Port Name
Port 1
P10 to P17
Port 4
P40 to P47
Port 5
P50 to P57
Port 6
P60 to P67
Port 7
P70
P71
P72
P73
P74
P75
P76
Port 8
P80
P81
P82
P83
P84
P85
P86
P87
Port 9
P90
P91
P92
P96
P97
Port A
PA0 to PA7
Port C
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
Port F
PF0
PF1
PF2
PF3
PF4
PF5
PF7
Port G
PG0 to PG1
PG2
PG3
PG4 to PG5
(R: PD= with programmable pull-down resistor, U= with pull-up resistor)
Number of
Pin Name
Pins
8
8
8
8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
92CZ26A-110
I/O
R
I/O Setting
−
I/O
bit
−
Output
bit
−
Output
bit
−
I/O
bit
−
Output
(Fixed)
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
Output
(Fixed)
−
Output
(Fixed)
−
Output
(Fixed)
−
Output
(Fixed)
−
Output
(Fixed)
−
Output
(Fixed)
−
Output
(Fixed)
−
Output
(Fixed)
−
I/O
bit
−
I/O
bit
−
I/O
bit
Input
PD
(Fixed)
−
Input
(Fixed)
Input
U
(Fixed)
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
I/O
bit
−
Output
(Fixed)
−
Input
(Fixed)
−
Input
(Fixed)
−
Input
(Fixed)
−
Input
(Fixed)
TMP92CZ26A
Pin Name for built-in
function
D8 to D15
A0 to A7
A8 to A15
A16 to A23
RD
WRLL , NDRE
WRLU , NDWE
EA24
EA25
R/ W , NDR/ B
WAIT
CS
0
CS , SDCS
1
CS , CSZA
2
CS , CSXA
3
CSZB
CSZC
CSZD ,
ND
0
CE
CSXB ,
ND
1
CE
TXD0
RXD0
SCLK0,
CTS
0
INT4, PX
PY
KI0 to KI7
INT0
INT1, TA0IN
INT2
INT3, TA2IN
EA26
EA27
EA28
KO8
I2S0CKO
I2S0DO
I2S0WS
I2S1CKO
I2S1DO
I2S1WS
SDCLK
AN0 to AN1
AN2, MX
AN3, ADTRG , MY
AN4 to AN5
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