UPD70F3738GF-GAS-AX Renesas Electronics America, UPD70F3738GF-GAS-AX Datasheet - Page 863

• 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: -

(2) Exiting the RTC backup mode (when an external reset has occurred)
(3) Exiting the RTC backup mode (when an external reset has not occurred)
After entering the RTC backup mode, if an external reset signal (RESET) is generated, execute the processing
routine below. If the V
external reset signal (RESET). Restore the V
After entering the RTC backup mode, if the V
reset signal (RESET) is generated, execute the processing routine below.
(a) Reset routine
(a) INTLVI interrupt routine
After an INTVI interrupt is generated and the normal STOP mode is exited, execute the following processing
routine.
<1> Clear SOSCAMCTL.AMPHS to 0 (specific sequence), and set the subclock (fXT) to normal oscillation.
<2> Clear RTCBUMCTL0.RBMSET to 0 (specific sequence), and exit the RTC backup mode.
<3> NOP
<1> Read the low-voltage detection flag (LVIM.LVIF) and confirm that LVIM.LVIF = 0.
<2> Clear SOSCAMCTL.AMPHS to 0 (specific sequence), and set the subclock (f
<3> Clear RTCBUMCTL0.RBMSET to 0 (specific sequence), and exit the RTC backup mode.
<4> NOP
<5> If necessary, allow EIs and NMIs.
DD
voltage goes outside the guaranteed operating range, it is necessary to generate an
CHAPTER 23 STANDBY FUNCTION
User’s Manual U18953EJ5V0UD
DD
DD
voltage to 2.3 V or greater.
voltage does not decrease to the voltage at which an external
XT
) to normal oscillation.
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