UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 1050

• Manufacturer Part Number: UPD70F3451GC-UBT-A
• Description: MCU 32BIT 128KB FLASH 80LQFP
• Manufacturer: Renesas Electronics America
• Series: V850E/Ix3r

Specifications of UPD70F3451GC-UBT-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 10x12b, 4x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

24.3 Operation
voltage (including at power application), the system is reset and each hardware is initialized to the specific status.
voltage. After a reset is released, when the oscillation stabilization time (default value of the OSTS register: 2
the oscillator has elapsed, the CPU starts executing the program.
the RESET pin (see 22.3 (1) Reset operation by RESET pin input).
1048
POC detection voltage
POC detection signal
When the supply voltage and detection voltage are compared and if the supply voltage drops below the detection
The system is reset from when low voltage is detected until the supply voltage becomes higher than the detection
The status of each hardware during the reset period and after reset release is the same as the reset operation by
The following shows the timing chart.
Internal reset signal
Supply voltage
(excluding oscillation stabilization time)
(V
DD0
(V
, V
POC0
DD1
Figure 24-2. Timing of Reset Signal Generation by Power-on-Clear Circuit
)
)
Reset period
CHAPTER 24 POWER-ON CLEAR CIRCUIT
Delay
User’s Manual U18279EJ3V0UD
(excluding oscillation stabilization time)
Reset period
(excluding oscillation stabilization time)
Reset period
Time
14
/f
X
) of