UPD70F3740GC-UEU-AX Renesas Electronics America, UPD70F3740GC-UEU-AX Datasheet - Page 411

• 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
11.2 Configuration
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
The following shows the block diagram of watchdog timer 2.
Watchdog timer 2 includes the following hardware.
Remark f
Watchdog timer enable
register (WDTE)
f
XX
f
R
/2
/2
f
f
f
INTWDT2:
WDTRES2: Watchdog timer 2 reset signal
XT
XX
XT
R
9
3
:
:
:
Control registers
controller
Clock
input
2
Main clock frequency
Subclock frequency
Internal oscillation clock frequency
Non-maskable interrupt request signal from watchdog timer 2
Item
Figure 11-1. Block Diagram of Watchdog Timer 2
Watchdog timer mode
register 2 (WDTM2)
Table 11-1. Configuration of Watchdog Timer 2
counter
0
16-bit
WDM21 WDM20
Clear
Watchdog timer mode register 2 (WDTM2)
Watchdog timer enable register (WDTE)
f
f
f
XX
XT
R
/2
/2
/2
12
9
18
to f
to f
Internal bus
to f
XT
R
WDCS24
XX
/2
/2
/2
19
16
CHAPTER 11 FUNCTIONS OF WATCHDOG TIMER 2
25
,
,
WDCS23
Selector
3
Configuration
WDCS22
WDCS21 WDCS20
controller
Output
3
INTWDT2
WDT2RES
(internal reset signal)
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