HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 378

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 11 Watchdog Timer
11.1.2
Figure 11.1 shows a block diagram of the WDT.
11.1.3
Table 11.1 describes the WDT output pin * .
Note: * Not present in the versions with on-chip flash memory.
Table 11.1 WDT Pin
Note: * Open-drain output.
Rev. 2.00 Sep 20, 2005 page 338 of 800
REJ09B0260-0200
Name
Reset output
Interrupt signal
Reset
(internal, external)
Legend:
TCNT:
TCSR:
RSTCSR:
Block Diagram
Pin Configuration
Timer counter
Timer control/status register
Reset control/status register
Abbreviation
R E S O
(interval timer)
Reset control
Figure 11.1 WDT Block Diagram
RSTCSR
Interrupt
I/O
Output *
control
Overflow
Function
External output of the watchdog timer reset signal
Clock
selector
TCSR
TCNT
Clock
Internal clock sources
/2
/32
/64
/128
/256
/512
/2048
/4096
control
Read/
write
Internal
data bus