UPD70F3740GC-UEU-AX Renesas Electronics America, UPD70F3740GC-UEU-AX Datasheet - Page 717

• Manufacturer Part Number: UPD70F3740GC-UEU-AX
• Description: MCU 32BIT V850ES/JX3 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3r

Specifications of UPD70F3740GC-UEU-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 512KB (512K 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
22.3.5 Reset function operation flow
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
Notes 1. Bit to be set differs depending on the reset source.
2. The internal oscillator cannot be stopped.
RESET pin
WDT2
CLM
LVI
Reset Source
(in emergent operation mode)
0
1
Value before reset is retained. 1
Value before reset is retained. Value before reset is retained. 1
CPU operation starts from reset address
Internal oscillation and main clock
Start (reset source occurs)
WDT2RF Bit
No
Reset source generated?
Set RESF register
oscillation stabilization
CCLS.CCLSF bit = 1?
Emergent operation
WDT2 count up starts
Reset occurs
(f
oscillation start,
time secured?
reset release
CPU
(reset mode)
Main clock
f
CPU
= f
= f
X
Yes
operation mode)
Yes
Yes
/8, f
X
(in normal
R
→
)
Note 1
0
Value before reset is retained. Value before reset is retained.
No
No
No
(in normal operation mode)
CRMRF Bit
CCLS.CCLSF bit ← 1
Normal operation
WDT2 overflow?
WDT2 restart
f
CPU
Software processing
= f
CHAPTER 22 RESET FUNCTIONS
Yes
R
Note 2
(in emergent operation mode)
0
Value before reset is retained.
No
LVIRF Bit
Page 701 of 870