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Rev. 1.00, 05/04, page 12 of 544
Pin No.
Type Symbol TFP-144 I/O Name and Function
I
2
C bus
interface (IIC)
SCL0
SCL1
ExSCLA*
ExSCLB*
14
135
53
51
Input/
Output
I
2
C clock I/O pins. The output type is NMOS
open-drain output.
SDA0
SDA1
ExSDAA*
ExSDAB*
17
138
54
52
Input/
Output
I
2
C data I/O pins. The output type is NMOS
open-drain output.
I/O ports P17 to P10 104 to 110,
112
Input/
Output
Eight input/output pins.
P27 to P20 96 to 103 Input/
Output
Eight input/output pins.
P37 to P30 128 to 121 Input/
Output
Eight input/output pins.
P47 to P40 6 to 2,
138 to 136
Input/
Output
Eight input/output pins.
(The output type of P42 is NMOS push-pull.)
P52 to P50 14 to 16 Input/
Output
Three input/output pins.
(The output type of P52 is NMOS push-pull.)
P67 to P60 85 to 78 Input/
Output
Eight input/output pins.
P77 to P70 75 to 68 Input Eight input pins.
P86 to P80 135 to 129 Input/
Output
Seven input/output pins.
(The output type of P86 is NMOS push-pull.)
P97 to P90 17 to 24 Input/
Output
Eight input/output pins.
(The output type of P97 is NMOS push-pull.)
PA7 to PA0 33 to 35,
37 to 41
Input/
Output
Eight input/output pins.
PB7 to PB0 113 to 120 Input/
Output
Eight input/output pins.
PC7 to PC0 87 to 94 Input/
Output
Eight input/output pins.
PD7 to PD0 59 to 66 Input/
Output
Eight input/output pins.
PE7 to PE0 25 to 32 Input/
Output
Eight input/output pins.
PF7 to PF0 43 to 50 Input/
Output
Eight input/output pins.
PG7 to PG0 51 to 58 Input/
Output
Eight input/output pins.
(The output type of PG7 to PG0 is NMOS
push-pull.)
Note: * The program development tool (emulator) does not support this function.