Datasheet

RL78/L12 CHAPTER 2 PIN FUNCTIONS
R01UH0330EJ0200 Rev.2.00 32
Dec 13, 2013
(3/5)
Function
Name
I/O Function
64-
pin
52-
pin
48-
pin
44-
pin
32-
pin
INTP0 Input External interrupt request input
√ √ √ √ √
INTP1
√ √ √ √ √
INTP2
√ √ √ √ √
INTP3
√ √ √ √ −
INTP4
√ √ √ √ −
INTP5
√ √ √ − −
INTP6
√ − − − −
INTP7
√ − − − −
KR0 Input Key interrupt input
√ √ √ √ √
KR1
√ √ √ √ √
KR2
√ √ √ √ √
KR3
√ √ √ √ √
PCLBUZ0 Output Clock output/buzzer output
√ √ √ √ √
PCLBUZ1
√ √ √ √ −
REGC
−
Connecting regulator output stabilization capacitance for internal operation.
Connect to V
SS via a capacitor (0.47 to 1 μ F: target).
√ √ √ √ √
RTC1HZ Output Real-time clock correction clock (1 Hz) output
√ √ √ √ −
RESET Input System reset input
√ √ √ √ √
RxD0 Input Serial data input to UART0
√ √ √ √ √
SCK00 I/O Clock input/output for CSI00 and CSI01
√ √ √ √ √
SCK01
√ √ √ √ √
SCLA0 I/O Clock input/output for I
2
C
√ √ √ √ √
SDAA0 I/O Serial data I/O for I
2
C
√ √ √ √ √
SI00 Input Serial data input to CSI00 and CSI01
√ √ √ √ √
SI01
√ √ √ √ √
SO00 Output Serial data output from CSI00 and CSI01
√ √ √ √ √
SO01
√ √ √ √ √
Remark √: Mounted
−: Not mounted