HD64F3067RF20 Renesas Electronics America, HD64F3067RF20 Datasheet - Page 486

• Manufacturer Part Number: HD64F3067RF20
• Description: IC H8 MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3067RF20

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-QFP
• Package: 100PQFP
• Family Name: H8
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 16|32 Bit
• Number Of Programmable I/os: 70
• Interface Type: SCI
• On-chip Adc: 8-chx10-bit
• On-chip Dac: 2-chx8-bit
• Number Of Timers: 7
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 12 Watchdog Timer
12.1.2
Figure 12.1 shows a block diagram of the WDT.
12.1.3
Table 12.1 describes the WDT output pin *
Table 12.1 WDT Pin
Notes: 1. Not present in the flash memory and flash memory R versions.
Rev. 4.00 Jan 26, 2006 page 462 of 938
REJ09B0276-0400
Name
Reset output
Interrupt signal
Reset
(internal, external)
Legend
TCNT:
TCSR:
RSTCSR:
2. Open-drain output.
Block Diagram
Pin Configuration
Timer counter
Timer control/status register
Reset control/status register
Abbreviation
RESO
(interval timer)
Reset control
Figure 12.1 WDT Block Diagram
RSTCSR
Interrupt
control
I/O
Output *
2
Overflow
1
.
Function
External output of the watchdog timer reset signal
Clock
selector
TCNT
TCSR
Clock
Internal clock sources
/2
/32
/64
/128
/256
/512
/2048
/4096
control
Read/
write
Internal
data bus