UPD70F3738GF-GAS-AX Renesas Electronics America, UPD70F3738GF-GAS-AX Datasheet - Page 479

• Manufacturer Part Number: UPD70F3738GF-GAS-AX
• Description: MCU 32BIT V850ES/JX3-L 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Lr

Specifications of UPD70F3738GF-GAS-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.2 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: -

11.4 Operation
11.4.1 Initial settings
The initial settings are set when operating the watch function and performing a fixed-cycle interrupt operation.
No
Setting AMPM and CT2 to CT0
Clearing interrupt MK flag
Clearing interrupt IF flag
Setting RC1SEC
(Clearing RC1SUBC)
Setting RC1MIN
Setting RC1HOUR
Setting RC1WEEK
Setting RC1DAY
Setting RC1MONTH
Setting RC1YEAR
Setting RC1SUBU
Setting RC1PWR
Setting RC1CKS
Reading counter
INTRTC = 1?
RTCE = 0
RTCE = 1
Start
CHAPTER 11 REAL-TIME COUNTER (
Yes
Figure 11-2. Initial Setting Procedure
User’s Manual U18953EJ5V0UD
Clears interrupt mask flag (RTC0MK)
Stops counter operation.
Selects real-time counter (RTC) operation clock.
Enables real-time counter (RTC) internal clock operation.
Selects 12-hour system or 24-hour system and interrupt (INTRTC0).
Sets watch error correction.
Sets each count register.
Clears interrupt request flag (RTC0IF)
Starts counter operation.
PD70F3792, 70F3793)
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