D12350F20IV Renesas Electronics America, D12350F20IV Datasheet - Page 568

• 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: -

Section 12 Watchdog Timer (WDT)
12.1.2
Figure 12.1 shows a block diagram of the WDT.
Rev. 3.00 Sep 15, 2006 page 532 of 988
REJ09B0330-0300
Internal reset signal *
Legend:
TCSR
TCNT
RSTCSR
Note: *
(interrupt request
Block Diagram
WDTOVF
The type of internal reset signal depends on a register setting. Either power-on reset or manual
reset can be selected.
: Timer control/status register
: Timer counter
: Reset control/status register
signal)
WOVI
Interrupt
RSTCSR
Figure 12.1 Block Diagram of WDT
control
control
Reset
Overflow
Module bus
TCNT
Clock
WDT
select
Clock
TSCR
Internal clock
sources
interface
Bus
/2
/64
/128
/512
/2048
/8192
/32768
/131072