HD6417706 RENESAS [Renesas Technology Corp], HD6417706 Datasheet - Page 373

• Manufacturer Part Number: HD6417706
• Description: Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

13.2
Table 13.1 shows the RTC pin configuration.
Table 13.1 RTC Pin Configuration
Notes: 1. Except for in hardware standby mode, even if only the RTC is used (software standby
13.3
RTC has the registers listed below. Refer to section 23, List ot Registers, for more detail of the
address and access size.
Pin
RTC oscillator crystal pin
RTC oscillator crystal pin
Clock input/clock output
Dedicated power-supply pin for RTC V
Dedicated GND pin for RTC
64-Hz counter (R64CNT)
Second counter (RSECCNT)
Minute counter (RMINCNT)
Hour counter (RHRCNT)
Day of week counter (RWKCNT)
Date counter (RDAYCNT)
Month counter (RMONCNT)
Year counter (RYRCNT)
Second alarm register (RSECAR)
Minute alarm register (RMINAR)
Hour alarm register (RHRAR)
Day of week alarm register (RWKAR)
Date alarm register (RDAYAR)
Month alarm register (RMONAR)
RTC control register 1 (RCR1)
RTC control register 2 (RCR2)
2. Pull-up (Vcc) EXTAL2, and open (NC) XTAL2 when the RTC is not used.
Register Description
Input/Output Pin
mode), power must be supplied to all power supply pins, including these RTC power
supply pins. In hardware standby mode, it is possible to stop supplying power to the
power supply pins except for the RTC power supply pins.
Abbreviation I/O
EXTAL2
XTAL2
TCLK
V
CC
SS
-RTC
-RTC
I
O
I/O
—
—
Description
Connects crystal to RTC oscillator*
Connects crystal to RTC oscillator*
External clock input pin/input capture
control input pin/realtime clock (RTC)
output pin (shared by TMU)
Dedicated power-supply pin for RTC*
Dedicated GND pin for RTC*
Rev. 4.00, 03/04, page 327 of 660
1
2
2
1