DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 423

• Manufacturer Part Number: DF2345TE20
• Description: MCU 5V 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2345TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 71
• 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-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2345TE20; HD64F2345TE20

11.1.3
Table 11.1 describes the WDT output pin.
Table 11.1 WDT Pin
Note:
11.1.4
The WDT has three registers, as summarized in table 11.2. These registers control clock selection,
WDT mode switching, and the reset signal.
Table 11.2 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
* The WDTOVF pin function is not supported by the F-ZTAT version.
2. For details of write operations, see section 11.2.4, Notes on Register Access.
3. Only a write of 0 is permitted to bit 7, to clear the flag.
Pin Configuration
Register 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
3
3
Rev. 4.00 Feb 15, 2006 page 397 of 900
Initial Value
H'18
H'00
H'1F
Section 11 Watchdog Timer
Write *
H'FFBC
H'FFBC
H'FFBE
REJ09B0291-0400
Address *
2
Read
H'FFBC
H'FFBD
H'FFBF
1