DF38602RFT10 Renesas Electronics America, DF38602RFT10 Datasheet - Page 230

• Manufacturer Part Number: DF38602RFT10
• Description: MCU 3V 16K 32-QFN
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H SLPr

Specifications of DF38602RFT10

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 10MHz
• Connectivity: I²C, IrDA, SCI, SSU
• Peripherals: POR, PWM, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 32-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F38602RFT10; HD64F38602RFT10

Section 11 Realtime Clock (RTC)
11.4
11.4.1
The RTC registers that store second, minute, hour, and day-of-week data, control registers, and
interrupt registers are not reset by a RES input, or by a reset source caused by a watchdog timer.
Therefore, all registers must be set to their initial values after power-on. Once the register setting
are made, the RTC provides an accurate time as long as power is supplied regardless of a RES
input.
11.4.2
Figure 11.3 shows the procedure for the initial setting of the RTC. To set the RTC again, also
follow this procedure.
Rev. 3.00 May 15, 2007 Page 196 of 516
REJ09B0152-0300
Operation
Initial Settings of Registers after Power-On
Initial Setting Procedure
Set RTCCSR, RSECDR,
RMINDR, RHRDR,
RWKDR, 12/24 in
RTCCR1, and PM
RUN in RTCCR1 = 0
RUN in RTCCR1 = 1
RST in RTCCR1 = 1
RST in RTCCR1 = 0
Figure 11.3 Initial Setting Procedure
RTC operation is stopped.
RTC registers and clock count
controller are reset.
Clock output and clock source are
selected and second, minute, hour,
day-of-week, operating mode, and
a.m/p.m are set.
RTC operation is started.