Datasheet

78K0/Kx2-L CHAPTER 4 PORT FUNCTIONS
R01UH0028EJ0400 Rev.4.00 122
Sep 27, 2010
Table 4-5. Port Functions (78K0/KB2-L)
Function Name I/O Function After Reset Alternate Function
P00 TI000
P01
I/O
Port 0.
2-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input port
TI010/TO00
P10
ANI8/AMP1
-
Note
/SCK10
P11 ANI9/AMP1OUT
Note
/SI10
P12
ANI10/AMP1+
Note
/
SO10
P13 TxD6
P14 RxD6
P15 TOH0
P16 TOH1/INTP5
P17
I/O
Port 1.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input port
TI50/TO50
P20
ANI0/AMP0
-
Note
P21
ANI1/AMP0OUT
Note
/
PGAIN
Note
P22 ANI2/AMP0+
Note
P23
I/O
Port 2.
4-bit I/O port.
Input/output can be specified in 1-bit units.
Analog input
ANI3
P30 INTP1
P31 INTP2/TOOLC1
P32 INTP3/TOOLD1
P33
I/O
Port 3.
4-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input port
TI51/TO51/INTP4
P60 SCLA0/INTP11
P61
I/O
Port 6.
2-bit I/O port.
Input/output can be specified in 1-bit units.
Input can be set to SMBus input buffer in 1-bit units.
Output can be set to N-ch open-drain output (V
DD
tolerance).
Use of an on-chip pull-up resistor can be specified by a
software setting.
Input port
SDAA0/INTP10
P120 I/O EXLVI/INTP0
P121 X1/TOOLC0
P122
Input port
X2/EXCLK/TOOLD0
P125
Input
Port 12.
1-bit I/O port and 3-bit input port.
For only P120 and P125, use of an on-chip pull-up resistor
can be specified by a software setting.
Reset input RESET
Note
μ PD78F0576, 78F0577, and 78F0578 (products with operational amplifier) only