HD6417709SF100B Renesas Electronics America, HD6417709SF100B Datasheet - Page 468

• Manufacturer Part Number: HD6417709SF100B
• Description: MCU 32-Bit SuperH RISC ROMLess 1.7V/3.3V 208-Pin LQFP
• Manufacturer: Renesas Electronics America

Specifications of HD6417709SF100B

• Package: 208LQFP
• Family Name: SuperH
• Maximum Speed: 100 MHz
• Operating Supply Voltage: 1.7|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: ROMLess
• Number Of Programmable I/os: 96
• Interface Type: IrDA/SCI/SCIF/UDI
• On-chip Adc: 8-chx10-bit
• On-chip Dac: 2-chx8-bit
• Operating Temperature: -20 to 75 °C
• Number Of Timers: 3

Bit 0—Start Bit (START): Halts and restarts the counter (clock).
Bit 0: START
0
1
Note: The 64-Hz counter always runs unless stopped with the RTCEN bit.
13.3
13.3.1
All the registers should be set after the power is turned on.
13.3.2
Figure 13.2 shows how to set the time when the clock is stopped. This works when the entire
calendar or clock is to be set. Programming can be easily performed.
Rev. 5.00, 09/03, page 422 of 760
RTC Operation
Initial Settings of Registers after Power-On
Setting the Time
To reset the divider circuit (RTC prescaler
and R64CNT) and set the counter
Description
Second/minute/hour/day/week/month/year counter halts
Second/minute/hour/day/week/month/year counter runs normally
Set seconds, minutes,
week, month and year
Figure 13.2 Setting the Time
hour, day, day of the
reset divider circuit
Stop clock,
Start clock
Write 1 to RESET and 0 to
START in the RCR2 register
Order is irrelevant
Write 1 to START in the
RCR2 register
(Initial value)