D12350F20IV Renesas Electronics America, D12350F20IV Datasheet - Page 569

• Manufacturer Part Number: D12350F20IV
• Description: IC H8S/2350 MCU 4.5/5.5V 0+K I-T
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12350F20IV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 87
• Program Memory Type: ROMless
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

12.1.3
Table 12.1 describes the WDT output pin.
Table 12.1 WDT Pin
12.1.4
The WDT has three registers, as summarized in table 12.2. These registers control clock selection,
WDT mode switching, and the reset signal.
Table 12.2 WDT Registers
Notes: 1. Lower 16 bits of the address.
Name
Watchdog timer overflow
Name
Timer control/status register
Timer counter
Reset control/status register
2. For details of write operations, see section 12.2.4, Notes on Register Access.
3. Only a write of 0 is permitted to bit 7, to clear the flag.
Register Configuration
Pin 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. 3.00 Sep 15, 2006 page 533 of 988
3
3
Initial Value
H'18
H'00
H'1F
Section 12 Watchdog Timer (WDT)
Write *
H'FFBC
H'FFBC
H'FFBE
REJ09B0330-0300
Address *
2
Read
H'FFBC
H'FFBD
H'FFBF
1