D12312SVTE25 Renesas Electronics America, D12312SVTE25 Datasheet - Page 1073

• Manufacturer Part Number: D12312SVTE25
• Description: MCU 3V 0K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12312SVTE25

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 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: -
• Program Memory Size: -
• Other names: HD6412312SVTE25; HD6412312SVTE25

TCNT—Timer Counter
RSTCSR—Reset Control/Status Register H'FFBE (W), H'FFBF (R)
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Notes: The method for writing to RSTCSR is different from that for general registers to prevent
Note:
:
:
:
accidental overwriting. For details, see section 11.2.4, Notes on Register Access.
* Can only be written with 0 for flag clearing.
:
:
:
The method for writing to TCNT different from that for general registers to prevent
accidental overwritting. For details, see section 11.2.4, Notes on Register Access.
Watchdog Timer Overflow Flag
R/(W)*
WOVF
0
1
R/W
7
0
7
0
[Clearing condition]
Cleared by reading RSTCSR when WOVF = 1, then writing 0 to WOVF.
[Setting condition]
When TCNT overflows (changes from H'FF to H'00) during
watchdog timer operation
Note: * The modules in the chip are not reset,
RSTE
Reset Enable
R/W
0
1
R/W
6
0
6
0
Reset signal is not generated if TCNT overflows*
Reset signal is generated if TCNT overflows
but TCNT and TCSR in WDT are reset.
Reserved
This bit should be written with 0.
R/W
R/W
⎯
5
0
5
0
H'FFBC (W), H'FFBD (R)
R/W
⎯
⎯
4
1
4
0
Rev.7.00 Feb. 14, 2007 page 1039 of 1108
R/W
⎯
⎯
3
1
3
0
Appendix B Internal I/O Registers
R/W
⎯
⎯
2
1
2
0
R/W
⎯
⎯
1
1
REJ09B0089-0700
1
0
R/W
⎯
⎯
0
1
0
0
WDT
WDT