Datasheet

78K0/Kx2-L CHAPTER 2 PIN FUNCTIONS
R01UH0028EJ0400 Rev.4.00 29
Sep 27, 2010
2.1.2 78K0/KA2-L
(1) Port functions: 78K0/KA2-L (20 pins)
Function Name I/O Function After Reset Alternate Function
P00 TI000/INTP0
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
TO00/TI010
P20
ANI0/AMP0
-
Note
P21
ANI1/AMP0OUT
Note
/
PGAIN
Note
P22 ANI2/AMP0+
Note
P23 ANI3
P24 ANI4
P25
I/O
Port 2.
6-bit I/O port.
Input/output can be specified in 1-bit units.
Analog input
ANI5
P30 TOH1/TI51/INTP1
P31 INTP2/TOOLC1
P32
I/O
Port 3.
3-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
INTP3/TOOLD1
P60 SCLA0/TxD6
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/RxD6
P121 X1/TOOLC0
P122
Input port
X2/EXCLK/TOOLD0
P125
Input
Port 12.
3-bit input-only port.
For only P125, use of an on-chip pull-up resistor can be
specified by a software setting.
Reset input RESET
Note
μ PD78F0565, 78F0566, and 78F0567 (products with operational amplifier) only
(2) Non-port functions : 78K0/KA2-L (20 pins) (1/2)
Function Name I/O Function After Reset Alternate Function
ANI0
P20/AMP0
-
Note
ANI1
P21/AMP0OUT
Note
/
PGAIN
Note
ANI2 P22/AMP0+
Note
ANI3 P23
ANI4 P24
ANI5
Input A/D converter analog input Analog input
P25
Note μ PD78F0565, 78F0566, and 78F0567 (products with operational amplifier) only
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