DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 864

• 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

Appendix B Internal I/O Register
RSTCSR—Reset Control/Status Register
Rev. 4.00 Feb 15, 2006 page 838 of 900
REJ09B0291-0400
Bit
Initial value
Read/Write
Note: * Can only be written with 0 for flag clearing.
The method for writing to RSTCSR is different from that for general registers to prevent
inadvertent overwriting. For details see section 11.2.4, Notes on Register Access.
:
:
:
Watchdog Timer Overflow Flag
R/(W)*
WOVF
0
1
7
0
[Clearing condition]
Cleared by reading TCSR when WOVF = 1, then writing 0 to WOVF
[Setting condition]
Set when TCNT overflows (changed from H'FF to H'00) during
watchdog timer operation
Note: * The modules H8S/2345 Group are not reset, but TCNT
RSTE
Reset Enable
R/W
0
1
6
0
Reset signal is not generated if TCNT overflows *
Reset signal is generated if TCNT overflows
and TCSR in WDT are reset.
Reset Select
RSTS
0
1
R/W
5
0
Power-on reset
Manual reset
—
—
4
1
H'FFBE (W) H'FFBF (R)
—
—
3
1
—
—
2
1
—
—
1
1
—
—
0
1
WDT