D12321VF25V Renesas Electronics America, D12321VF25V Datasheet - Page 615

• Manufacturer Part Number: D12321VF25V
• Description: IC H8S/2300 MCU ROMLESS 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12321VF25V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 86
• Program Memory Type: ROMless
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 128-QFP
• For Use With: EDK2329 - DEV EVALUATION KIT H8S/2329
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

13.1.3
Table 13.1 describes the WDT output pin.
Table 13.1 WDT Pin
Name
Watchdog timer overflow
Note: * The WDTOVF pin function cannot be used in the F-ZTAT versions.
13.1.4
The WDT has three registers, as summarized in table 13.2. These registers control clock selection,
WDT mode switching, and the reset signal.
Table 13.2 WDT Registers
Name
Timer control/status register
Timer counter
Reset control/status register
Notes: 1. Lower 16 bits of the address.
2. For details of write operations, see section 13.2.4, Notes on Register Access.
3. Only a write of 0 is permitted to bit 7, to clear the flag.
Pin Configuration
Register Configuration
Symbol
WDTOVF *
Abbreviation
TCSR
TCNT
RSTCSR
I/O
Output
R/W
R/(W) *
R/W
R/(W) *
Function
Outputs counter overflow signal in watchdog
timer mode
Rev.6.00 Sep. 27, 2007 Page 583 of 1268
3
3
Initial Value
H'18
H'00
H'1F
Section 13 Watchdog Timer
Write *
H'FFBC
H'FFBC
H'FFBE
REJ09B0220-0600
Address *
2
Read
H'FFBC
H'FFBD
H'FFBF
1