UPD78F1502AGK-GAK-AX Datasheet, PDF (43/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
CHAPTER 2 PIN FUNCTIONS
(2) Non-port functions (2/4) : 78K0R/LF3
Function Name I/O
Function
After Reset Alternate Function
CAPH
− Connecting a capacitor for LCD controller/driver
Input port P00
CAPL
P01
EXLVI
Input Potential input for external low-voltage detection
Input port P120/INTP0
INTP0
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
P120/EXLVI
P30/TI03/TO00/
RTC1HZ
INTP2
P31/TI00/TO03/
RTCDIV/RTCCL/
PCLBUZ1
INTP3
P33/TI07/TO07
INTP4
P14/SI10/RxD1/
SDA10
INTP5
P32/TI01/TO01/
PCLBUZ0
INTP6
P11/SI20/RxD2/
SDA20
INTP7
P15/SCK10/SCL10
PCLBUZ0
Output Clock output/buzzer output
Input port P32/TI01/TO01/
INTP5
PCLBUZ1
P31/TI00/TO03/
RTCDIV/RTCCL/INTP2
REGC
RTCDIV
−
Output
Connecting regulator output (2.4 V) stabilization capacitance for
internal operation.
Connect to VSS via a capacitor (0.47 to 1 μF).
Real-time counter clock (32 kHz divided frequency) output
−
Input port
−
P31/TI00/TO03/
PCLBUZ1/RTCCL/
INTP2
RTCCL
Output Real-time counter clock (32 kHz original oscillation) output
Input port
P31/TI00/TO03/
PCLBUZ1/RTCDIV/
INTP2
RTC1HZ
Output Real-time counter correction clock (1 Hz) output
Input port P30/TI03/TO00/
INTP1
RESET
Input System reset input
−
−
RxD1
Input Serial data input to UART1
Input port P14/SI10/SDA10/
INTP4
RxD2
Serial data input to UART2
P11/SI20/SDA20/
INTP6
RxD3
Serial data input to UART3
P50/SEG30
SCK10
I/O
Clock input/output for CSI10
Input port P15/SCL10/INTP7
SCK20
Clock input/output for CSI20
P10/SCL20
SCL10
I/O
Clock input/output for simplified I²C
Input port P15/SCK10/INTP7
SCL20
P10/SCK20
R01UH0004EJ0501 Rev.5.01
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Jun 20, 2011