SH7763 Datasheet, PDF (827/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 22 Realtime Clock (RTC)
22.2 Input/Output Pins
Table 22.1 shows the RTC pins.
Table 22.1 RTC Pins
Pin Name
Abbreviation I/O
Function
RTC oscillator crystal pin EXTAL2
Input Connects crystal to RTC oscillator
RTC oscillator crystal pin XTAL2
Output Connects crystal to RTC oscillator
Dedicated RTC power
supply
Vdd-RTC
—
RTC oscillator power supply pin*
Dedicated RTC GND pin
RTC standby
Vss-RTC
XRTCSTBI
—
Input
RTC oscillator GND pin*
RTC standby
Note: * Power must be supplied to the RTC power supply pins even when the RTC is not used.
Rev. 1.00 Oct. 01, 2007 Page 761 of 1956
REJ09B0256-0100