HD64F3687FPIV Renesas Electronics America, HD64F3687FPIV Datasheet - Page 180

• Manufacturer Part Number: HD64F3687FPIV
• Description: MCU 3/5V 56K I-TEMP PB-FREE 64-L
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3687FPIV

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: PWM, WDT
• Number Of I /o: 45
• Program Memory Size: 56KB (56K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• For Use With: R0K436079S000BE - KIT DEV FOR H8/36079 W/COMPILER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 10 Realtime Clock (RTC)
10.3.4
RWKDR counts the BCD-coded day-of-week value on the carry generated once per day by
RHRDR. The setting range is decimal 0 to 6 using bits WK2 to WK0.
Rev.5.00 Nov. 02, 2005 Page 146 of 500
REJ09B0027-0500
Bit
7
6 to 3
2
1
0
Bit Name
BSY
—
WK2
WK1
WK0
Day-of-Week Data Register (RWKDR)
Initial
Value
—
All 0
—
—
—
R/W
R
—
R/W
R/W
R/W
Description
RTC busy
This bit is set to 1 when the RTC is updating (operating)
the values of second, minute, hour, and day-of-week data
registers. When this bit is 0, the values of second, minute,
hour, and day-of-week data registers must be adopted.
Reserved
These bits are always read as 0.
Day-of-week counting
Day-of-week is indicated with a binary code
000: Sunday
001: Monday
010: Tuesday
011: Wednesday
100: Thursday
101: Friday
110: Saturday
111: Reserved (setting prohibited)