HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 815

• Manufacturer Part Number: HD64F7051SFJ20V
• Description: MCU 5V 256K J-TEMP PB-FREE QFP-1
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7050r

Specifications of HD64F7051SFJ20V

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, WDT
• Number Of I /o: 102
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 168-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Note:
Note: The SH7050 chip is not reset internally, but TCNT and TCSR are reset in the watchdog
Timer Counter (TCNT)
Bit
7–0
Reset Control/Status Register
(RSTCSR)
Bit
7
6
Initial value:
Initial value:
timer.
* Only 0 can be written in bit 7 to clear the flag.
Bit name:
Bit name:
Bit Name
(Count value)
Bit Name
Watchdog timer
overflow flag
(WOVF)
Reset enable
(RSTE)
R/W:
R/W:
Bit:
Bit:
WOVF
R/(W) *
R/W
7
0
7
0
Value
0
1
0
1
RSTE
R/W
R/W
6
0
6
0
Description
No TCNT overflow in watchdog timer mode (Initial value)
[Clearing condition]
Read WOVF when WOVF =1, then write 0 in WOVF
TCNT overflow in watchdog timer mode
No internal reset when TCNT overflows
Internal reset when TCNT overflows
R/W
—
R
5
0
5
0
H'FFFF8611
H'FFFF8613
Appendix A On-Chip Supporting Module Registers
Description
Input count clock value
R/W
—
R
4
0
4
0
Rev. 5.00 Jan 06, 2006 page 793 of 818
R/W
—
R
3
0
3
1
R/W
—
R
2
0
2
1
8
8
REJ09B0273-0500
R/W
—
R
1
0
1
1
(Initial value)
R/W
WDT
WDT
—
R
0
0
0
1