HD64F3694FY Renesas Electronics America, HD64F3694FY Datasheet - Page 216

• Manufacturer Part Number: HD64F3694FY
• Description: IC H8 MCU FLASH 32K 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300H Tinyr

Specifications of HD64F3694FY

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SCI
• Peripherals: PWM, WDT
• Number Of I /o: 29
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 13 Watchdog Timer
13.2.3
TMWD selects the input clock.
Legend: X: Don't care.
Rev.5.00 Nov. 02, 2005 Page 186 of 418
REJ09B0028-0500
Bit
7 to 4
3
2
1
0
Timer Mode Register WD (TMWD)
Bit Name
CKS3
CKS2
CKS1
CKS0
Initial
Value
All 1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 1.
Clock Select 3 to 0
Select the clock to be input to TCWD.
1000: Internal clock: counts on /64
1001: Internal clock: counts on /128
1010: Internal clock: counts on /256
1011: Internal clock: counts on /512
1100: Internal clock: counts on /1024
1101: Internal clock: counts on /2048
1110: Internal clock: counts on /4096
1111: Internal clock: counts on 8192
0XXX: Internal oscillator
For the internal oscillator overflow periods, see section
21, Electrical Characteristics.