DF2328BVF25V Renesas Electronics America, DF2328BVF25V Datasheet - Page 615

• Manufacturer Part Number: DF2328BVF25V
• Description: IC H8S MCU FLASH 256K 128QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2328BVF25V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: -
• Other names: HD64F2328BVF25V

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