7 function of ports – Toshiba H1 Series User Manual
Page 113
TMP92CZ26A
92CZ26A-110
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)
(R: PD
= with programmable pull-down resistor, U= with pull-up resistor)
Port Name
Pin Name
Number of
Pins
I/O R
I/O
Setting
Pin Name for built-in
function
Port 1
P10 to P17
8
I/O
−
bit
D8 to D15
Port 4
P40 to P47
8
Output
−
bit
A0 to A7
Port 5
P50 to P57
8
Output
−
bit
A8 to A15
Port 6
P60 to P67
8
I/O
−
bit
A16 to A23
P70 1
Output
−
(Fixed)
RD
P71 1
I/O
−
bit
WRLL ,NDRE
P72 1
I/O
−
bit
WRLU,NDWE
P73 1
I/O
−
bit EA24
P74 1
I/O
−
bit EA25
P75 1
I/O
−
bit
R/ W ,
NDR/
B
Port 7
P76 1
I/O
−
bit
WAIT
P80 1
Output
−
(Fixed)
0
CS
P81 1
Output
−
(Fixed)
1
CS , SDCS
P82 1
Output
−
(Fixed)
2
CS , CSZA
P83 1
Output
−
(Fixed)
3
CS , CSXA
P84 1
Output
−
(Fixed)
CSZB
P85 1
Output
−
(Fixed)
CSZC
P86 1
Output
−
(Fixed)
CSZD
,
CE
0
ND
Port 8
P87 1
Output
−
(Fixed)
CSXB ,
CE
1
ND
P90 1
I/O
−
bit TXD0
P91 1
I/O
−
bit RXD0
P92 1
I/O
−
bit
SCLK0,
0
CTS
P96 1
Input
PD
(Fixed)
INT4,
PX
Port 9
P97 1
Input
−
(Fixed) PY
Port A
PA0 to PA7
8
Input
U
(Fixed)
KI0 to KI7
PC0 1
I/O
−
bit INT0
PC1 1
I/O
−
bit INT1,
TA0IN
PC2 1
I/O
−
bit INT2
PC3 1
I/O
−
bit INT3,
TA2IN
PC4 1
I/O
−
bit EA26
PC5 1
I/O
−
bit EA27
PC6 1
I/O
−
bit EA28
Port C
PC7 1
I/O
−
bit KO8
PF0 1
I/O
−
bit I2S0CKO
PF1 1
I/O
−
bit I2S0DO
PF2 1
I/O
−
bit I2S0WS
PF3 1
I/O
−
bit I2S1CKO
PF4 1
I/O
−
bit I2S1DO
PF5 1
I/O
−
bit I2S1WS
Port F
PF7 1
Output
−
(Fixed) SDCLK
PG0 to PG1
2
Input
−
(Fixed)
AN0 to AN1
PG2
1
Input
−
(Fixed)
AN2, MX
PG3 1
Input
−
(Fixed)
AN3, ADTRG , MY
Port G
PG4 to PG5
2
Input
−
(Fixed)
AN4 to AN5