Datasheet

78K0/Kx2-L CHAPTER 2 PIN FUNCTIONS
R01UH0028EJ0400 Rev.4.00 28
Sep 27, 2010
(2) Non-port functions : 78K0/KY2-L
Function Name I/O Function After Reset Alternate Function
ANI0
P20/AMP0
-
Note
ANI1
P21/AMP0OUT
Note
/
PGAIN
Note
ANI2 P22/AMP0+
Note
ANI3
Input A/D converter analog input Analog input
P23
AMP0-
Note
P20/ANI0
AMP0+
Note
Input Operational amplifier 0 input
P22/ANI2
AMP0OUT
Note
Output Operational amplifier 0 output
Analog input
P21/ANI1/PGAIN
Note
PGAIN
Note
Input PGA (programmable gain amplifier) input Analog input
P21/ANI1/
AMP0OUT
Note
INTP0 P00/TI000
INTP1
Input
External interrupt request input for which the valid edge
(rising edge, falling edge, or both rising and falling
edges) can be specified
Input port
P30/TOH1/TI51
REGC
−
Connecting regulator output (2.0 V/2.4 V) stabilization
capacitance for internal operation.
Connect to V
SS via a capacitor (0.47 to 1 μ F).
− −
RESET Input System reset input Reset input P125
RxD6 Input Serial data input to UART6 P61/SDAA0
TxD6 Output
Serial data output from UART6
Input port
P60/SCLA0
SCLA0 Clock input/output for I
2
C P60/TxD6
SDAA0
I/O
Serial data I/O for I
2
C
Input port
P61/RxD6
TI000 External count clock input to 16-bit timer/event counter
00
Capture trigger input to capture registers (CR000,
CR010) of 16-bit timer/event counter 00
P00/INTP0
TI010
Input
Capture trigger input to capture register (CR000) of 16-
bit timer/event counter 00
Input port
P01/TO00
TI51 Input External count clock input to 8-bit timer/event counter 51 Input port P30/TOH1/INTP1
TO00 Output 16-bit timer/event counter 00 output Input port P01/TI010
TOH1 Output 8-bit timer H1 output Input port P30/TI51/INTP1
X1 P121/TOOLC0
X2
−
Connecting resonator for main system clock Input port
P122/EXCLK/TOOLD0
EXCLK Input External clock input for main system clock Input port P122/X2/TOOLD0
VDD Positive power supply for pins other than port 2
AVREF
−
A/D converter reference voltage input and positive power
supply for port 2 and A/D converter
− −
VSS
−
Ground potential
− −
TOOLC0 Input Clock input for flash memory programmer/on-chip
debugger
P121/X1
TOOLD0 I/O Data I/O for flash memory programmer/on-chip debugger
Input port
P122/X2/EXCLK
Note
μ PD78F0555, 78F0556, and 78F0557 (products with operational amplifier) only
<R>