HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 195

• 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

10.3.5
RTCCR1 controls start/stop and reset of the clock timer. For the definition of time expression, see
figure 10.2.
Bit
7
6
5
4
3
2 to 0
RTC Control Register 1 (RTCCR1)
Bit Name
RUN
12/24
PM
RST
INT
—
24-hour count 0
12-hour count 0
24-hour count
12-hour count
PM
PM
Initial
Value
—
—
—
0
—
All 0
Figure 10.2 Definition of Time Expression
18 19 20 21 22 23 0
6
1 (Afternoon)
1
1
7
R/W
R/W
R/W
R/W
R/W
R/W
—
2
2
8
3
3
9 10 11 0
4
4
0 (Morning)
Description
RTC Operation Start
0: Stops RTC operation
1: Starts RTC operation
Operating Mode
0: RTC operates in 12-hour mode. RHRDR counts on 0
1: RTC operates in 24-hour mode. RHRDR counts on 0
a.m./p.m.
0: Indicates a.m. when RTC is in the 12-hour mode.
1: Indicates p.m. when RTC is in the 12-hour mode.
Reset
0: Normal operation
1: Resets registers and control circuits except RTCCSR
Interrupt Generation Timing
0: Generates a second, minute, hour, or day-of-week
1: Generates a second, minute, hour, or day-of-week
Reserved
These bits are always read as 0.
5
5
to 11.
to 23.
and this bit. Clear this bit to 0 after having been set to
1.
periodic interrupt during RTC busy period.
periodic interrupt immediately after completing RTC
busy period.
6
6
0
7
7
8
8
9 10 11 12 13 14 15 16 17
9 10 11 0
Rev. 1.00 Sep. 16, 2005 Page 165 of 490
Noon
Section 10 Realtime Clock (RTC)
1
1 (Afternoon)
2
3
4
5
REJ09B0216-0100