HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 434

• Manufacturer Part Number: HD64F2623FA20J
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2623FA20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 12 Watchdog Timer
Bit 4
PSS
0
1
Notes: 1. An overflow period is the time interval between the start of counting up from H'00 on the
12.2.3
Note:
RSTCSR is an 8-bit readable/writable * register that controls the generation of the internal reset
signal when TCNT overflows, and selects the type of internal reset signal.
Rev. 5.00 Jan 10, 2006 page 408 of 1042
REJ09B0275-0500
Bit
Initial value :
R/W
WDT1 Input Clock Select *
2. Cannot be used in the H8S/2623 Group.
* Only 0 can be written, for flag clearing.
Bit 2
CKS2
0
1
0
1
Reset Control/Status Register (RSTCSR)
TCNT and the occurrence of a TCNT overflow.
:
:
Bit 1
CKS1
0
1
0
1
0
1
0
1
R/(W) *
WOVF
7
0
Bit 0
CKS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
RSTE
R/W
2
6
0
Clock
/2 (Initial value)
/64
/128
/512
/2048
/8192
/32768
/131072
SUB/2
SUB/4
SUB/8
SUB/16
SUB/32
SUB/64
SUB/128
SUB/256
RSTS
R/W
5
0
—
—
4
1
Overflow Period *
(where
25.6 µs
819.2 µs
1.6 ms
6.6 ms
26.2 ms
104.9 ms
419.4 ms
1.68 s
15.6 ms
31.3 ms
62.5 ms
125 ms
250 ms
500 ms
1 s
2 s
Description
—
—
3
1
SUB = 32.768 kHz)
—
—
2
1
1
(where
—
—
1
1
= 20 MHz)
—
—
0
1