UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 662

• Manufacturer Part Number: UPD70F3771GF-GAT-AX
• Description: MCU 32BIT V850ES/JX3-H 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Hr

Specifications of UPD70F3771GF-GAT-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 48MHz
• Connectivity: CAN, CSI, EBI/EMI, I²C, UART/USART, USB
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

V850ES/JG3-H, V850ES/JH3-H
12.4.8 Initializing real-time counter
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
The procedure for initializing the real-time counter is shown below.
Remarks 1. See 23.3.4 Interrupt control register (xxICn) for details of the RTCnIF and RTCnMK bits.
2. n = 0 to 2
RC1CC3.CLOE2 bit = 0
RC1CC1.CLOE1 bit = 0
RC1CC1.CLOE0 bit = 0
RC1CC0.RC1PWR bit = 0
Clearing RTCnMK flag
Clearing RTCnIF flag
Setting RTCnMK bit
Figure 12-9. Initializing Real-Time Counter
Start
End
Masks interrupt signal (INTRTCn)
Initializes real-time counter (RTC).
Clears interrupt request bit.
Unmasks interrupt signal (INTRTCn).
RTCDIV interrupt disable processing
RTC1HZ interrupt disable processing
RTCCL interrupt disable processing
CHAPTER 12 REAL-TIME COUNTER
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