HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 404

• Manufacturer Part Number: HD6417706F133
• Description: IC SUPERH MPU ROMLESS 176LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417706F133

• Core Processor: SH-3
• Core Size: 32-Bit
• Speed: 133MHz
• Connectivity: EBI/EMI, FIFO, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 103
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.75 V ~ 2.05 V
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Section 13 Realtime Clock (RTC)
13.3.16 RTC Control Register 2 (RCR2)
The RTC control register 2 (RCR2) is an 8-bit read/write register for periodic interrupt control, 30-
second adjustment ADJ, divider circuit RESET, and RTC count start/stop control. It is initialized
to H'09 by a power-on reset. It is initialized except for RTCEN and START by a manual reset. It is
not initialized in standby mode, and retains its contents.
Rev. 5.00 May 29, 2006 page 354 of 698
REJ09B0146-0500
Bit
7
6
5
4
3
Bit Name
PEF
PES2
PES1
PES0
RTCEN
Initial Value
0
0
0
0
1
R/W
R/W
R/W
R/W
R/W
R/W
Description
Periodic Interrupt Flag
Indicates interrupt generation with the period
designated by the PES bits. When set to 1, PEF
generates periodic interrupts.
0: Interrupts not generated with the period
1: Interrupts generated with the period designated by
Periodic Interrupt Flags
These bits specify the periodic interrupt.
000: No periodic interrupts generated
001: Periodic interrupt generated every 1/256
010: Periodic interrupt generated every 1/64 second
011: Periodic interrupt generated every 1/16 second
100: Periodic interrupt generated every 1/4 second
101: Periodic interrupt generated every 1/2 second
110: Periodic interrupt generated every 1 second
111: Periodic interrupt generated every 2 seconds
Controls the operation of the crystal oscillator for the
RTC.
0: Halts the crystal oscillator for the RTC.
1: Runs the crystal oscillator for the RTC.
designated by the PES bits.
[Clearing condition]
When 0 is written to PEF
the PES bits.
[Setting condition]
When 1 is written to PEF
second