UPD70F3201YGC-YEU-A Renesas Electronics America, UPD70F3201YGC-YEU-A Datasheet - Page 274

• Manufacturer Part Number: UPD70F3201YGC-YEU-A
• Description: MCU 32BIT I2C 100TQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Sx2r

Specifications of UPD70F3201YGC-YEU-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 68
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 2.7 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

272
(2) Watchdog timer clock selection register (WDCS)
Remark
This register sets the overflow time of the watchdog timer and the interval timer.
The WDCS register can be read or written in 8-bit units.
This register is cleared to 00H after reset.
f
XX
WDCS
: Main clock frequency
After reset:
WDCS2
00H
0
0
0
0
0
1
1
1
1
CHAPTER 10 WATCHDOG TIMER FUNCTIONS
WDCS1
R/W
0
0
0
1
1
0
0
1
1
Address:
WDCS0
User’s Manual U15905EJ2V1UD
0
0
1
0
1
0
1
0
1
FFFF6C1H
2
2
2
2
2
2
2
2
14
15
16
17
18
19
20
22
/f
/f
/f
/f
/f
/f
/f
/f
Overflow time of watchdog timer/interval timer
0
XX
XX
XX
XX
XX
XX
XX
XX
1.638 ms
3.277 ms
6.554 ms
13.11 ms
26.21 ms
52.43 ms
209.7 ms
20 MHz
819
0
µ
s
1.928 ms
3.855 ms
7.710 ms
15.42 ms
30.84 ms
61.68 ms
246.7 ms
WDCS2
17 MHz
964
µ
s
f
X
13.5 MHz
1.214 ms
2.427 ms
4.855 ms
9.709 ms
19.42 ms
38.84 ms
77.67 ms
310.7 ms
WDCS1
2.048 ms
4.096 ms
8.192 ms
16.38 ms
32.77 ms
65.54 ms
131.1 ms
524.3 ms
WDCS0
8 MHz