HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 194

• Manufacturer Part Number: HD64F36077GHV
• Description: 16BIT MCU FLASH 56K, SMD, LQFP64
• Manufacturer: Renesas Electronics America

Specifications of HD64F36077GHV

• No. Of I/o's: 47
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 4.5V
• Core Size: 16bit
• Program Memory Size: 56KB
• Oscillator Type: External Only
• Controller Family/series: H8/300H
• Peripherals: ADC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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. 1.00 Sep. 16, 2005 Page 164 of 490
REJ09B0216-0100
Bit
7
6 to 3
2
1
0
Day-of-Week Data Register (RWKDR)
Bit Name
BSY
—
WK2
WK1
WK0
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)