HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 428

• 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
12.1.3
Table 12.1 describes the WDT output pin.
Table 12.1 WDT Pin
Name
Watchdog timer overflow
Buzzer output *
Note:
12.1.4
Table 12.2 summarizes the WDT register configuration. These registers control clock selection,
WDT mode switching, and the reset signal.
Table 12.2 WDT Registers
Channel Name
0
1 *
All
Notes: 1. Lower 16 bits of the address.
Rev. 5.00 Jan 10, 2006 page 402 of 1042
REJ09B0275-0500
4
* Cannot be used in the H8S/2623 Group.
2. For details of write operations, see section 12.2.5, Notes on Register Access.
3. Only a write of 0 is permitted to bit 7, to clear the flag.
4. Cannot be used in the H8S/2623 Group.
Pin Configuration
Register Configuration
Timer control/status register 0 TCSR0
Timer counter 0
Reset control/status register
Timer control/status register 1 TCSR1
Timer counter 1
Pin function control register
Symbol
WDTOVF
BUZZ
Abbreviation R/W
TCNT0
RSTCSR
TCNT1
PFCR
I/O
Output
Output
Function
Outputs counter overflow signal in watchdog
timer mode
Outputs clock selected by watchdog timer
(WDT1)
R/(W) *
R/W
R/(W) *
R/(W) *
R/W
R/W
3
3
3
Initial Value Write *
H'18
H'00
H'1F
H'00
H'00
H'0D/H'00
H'FF74 H'FF74
H'FF74 H'FF75
H'FF76 H'FF77
H'FFA2 H'FFA2
H'FFA2 H'FFA3
H'FDEB
Address *
2
Read
1