UPD70F3747GB-GAH-AX Renesas Electronics America, UPD70F3747GB-GAH-AX Datasheet - Page 579

• Manufacturer Part Number: UPD70F3747GB-GAH-AX
• Description: MCU 32BIT V850ES/HX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Hx3r

Specifications of UPD70F3747GB-GAH-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 51
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3.7 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

12.2 Configuration
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
RL
f
X
/2
/2
f
INTWDT2:
WDTRES2: Watchdog timer 2 reset signal
X
RL
7
3
:
:
Control registers
controller
Clock
input
Item
2
Main clock oscillation frequency
Low-speed internal oscillation clock frequency
Non-maskable interrupt request signal from watchdog timer 2
CHAPTER 12 FUNCTIONS OF WATCHDOG TIMER 2
Figure 12-1. Block Diagram of Watchdog Timer 2
Table 12-1. Configuration of Watchdog Timer 2
Watchdog timer mode
register 2 (WDTM2)
counter
16-bit
0
Watchdog timer mode register 2 (WDTM2)
Watchdog timer enable register (WDTE)
WDM21 WDM20
Clear
f
f
X
RL
User’s Manual U18854EJ2V0UD
/2
/2
16
12
to f
Internal bus
to f
X
WDCS24
RL
/2
/2
23
,
19
WDCS23
Selector
Configuration
3
WDCS22
WDCS21 WDCS20
controller
Output
3
INTWDT2
WDT2RES
(internal reset signal)
577