HD6417727F100C Renesas Electronics America, HD6417727F100C Datasheet - Page 521

• Manufacturer Part Number: HD6417727F100C
• Description: IC SUPERH MPU ROMLESS 240QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of HD6417727F100C

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 100MHz
• Connectivity: FIFO, SCI, SIO, SmartCard, USB
• Peripherals: DMA, LCD, POR, WDT
• Number Of I /o: 104
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.6 V ~ 2.05 V
• Data Converters: A/D 6x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 240-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -

16.2.5
The day of the week counter (RWKCNT) is an 8-bit read/write register used for setting/counting
in the BCD-coded day of week section of the RTC. The count operation is performed by a carry
for each day of the date counter.
The settable range is 0 to 6 in decimal. If other values are set, correct operation is not provided.
When modifying RWKCNT, check that the count operation has been halted with the START bit
in RCR2.
RWKCNT is not initialized by a power-on reset or manual reset, or in standby mode, and the
operation is continued.
Days of the week are coded as shown in table 16.3.
Table 16.3 Day-of-Week Codes (RWKCNT)
Day of Week
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Initial value:
Day of the Week Counter (RWKCNT)
R/W:
Bit:
—
R
7
0
—
R
6
0
—
R
5
0
Code
0
1
2
3
4
5
6
—
R
4
0
Rev.6.00 Mar. 27, 2009 Page 463 of 1036
—
R
3
0
Section 16 Realtime Clock (RTC)
R/W
—
2
Day of week
REJ09B0254-0600
R/W
—
1
R/W
—
0