UPD70F3714GC-8BS-A Renesas Electronics America, UPD70F3714GC-8BS-A Datasheet - Page 604

• Manufacturer Part Number: UPD70F3714GC-8BS-A
• Description: MCU 32BIT V850ES/LX2 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Ix2r

Specifications of UPD70F3714GC-8BS-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, UART/USART
• Peripherals: LVD, PWM, WDT
• Number Of I /o: 39
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 6K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

602
(5) RAM retention voltage detection operation
Note A reset signal (WDTRES) is generated due to an overflow of the watchdog timer or RESET pin input
RAM retention voltage
The supply voltage and detection voltage (V
drops below the detection voltage (including on power application), the RAMS.RAMF bit is set (1).
RAM retention flag
during RAM access.
detection voltage
detection signal
detection signal
Supply voltage
POC detection
POC detection
RAM retention
Set condition
(RAMF bit)
Figure 16-7. Operation Timing of RAM Retention Voltage Detection Function
voltage
voltage
(V
DD
)
Delay
Cleared by
instruction
CHAPTER 16 RESET FUNCTIONS
Delay
Note
User’s Manual U17716EJ2V0UD
Set
RAMH
Cleared by
instruction
= 2.0 V ±0.1 V) are compared. When the supply voltage
Set
Delay
Delay
Time