HD64F3048BF25 Renesas Electronics America, HD64F3048BF25 Datasheet - Page 470

• Manufacturer Part Number: HD64F3048BF25
• Description: IC H8 MCU FLASH 128K 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3048BF25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 8MHz
• 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
• 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
Output pins used by the WDT *
Table 12.1 WDT Pins
Pin Name
Reset output
Notes: 1. Not provided in on-chip flash memory versions.
Rev. 3.00 Sep 27, 2006 page 442 of 872
REJ09B0325-0300
Interrupt signal
Reset
(internal, external)
Legend:
TCNT:
TCSR:
RSTCSR:
Note: * Open-drain output pin
2. Open-drain output pin
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
1
RSTCSR
are shown in table 12.11.
Interrupt
control
I/O
Output *
2
Overflow
Clock
Function
External output of watchdog timer reset signal
selector
TCNT
TCSR
Clock
Internal clock sources
/2
/32
/64
/128
/256
/512
/2048
/4096
control
Read/
write
Internal
data bus
RESO *