HD64F7051SFJ20V Renesas Electronics America, HD64F7051SFJ20V Datasheet - Page 814

• 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: -

Appendix A On-Chip Supporting Module Registers
Timer Control/Status Register (TCSR)
Note:
Bit
7
6
5
2–0
Note:
Rev. 5.00 Jan 06, 2006 page 792 of 818
REJ09B0273-0500
Initial value:
* To prevent TCSR from being modified easily, the write method differs from that used for
* The overflow interval listed is the time from when the TCNT begins counting at H'00
Bit name:
Bit Name
Overflow flag (OVF)
Timer mode select
(WT/IT)
Timer enable (TME)
Clock select 2 to 0
(CKS2 to CKS0)
general registers. For details, see section 12.2.4, Register Access.
until an overflow occurs.
R/W:
Bit:
R/(W) *
OVF
7
0
WT/IT
R/W
6
0
Value
0
1
0
1
0
1
0
1
0
1
0
1
TME
R/W
5
0
0
1
0
1
0
1
0
1
Interval timer mode: Interval timer interrupt (ITI)
request sent to CPU when TCNT overflows
externally when TCNT overflows
H'FFFF8610
Description
No TCNT overflow in interval timer mode
[Clearing condition]
Read OVF, then write 0 in OVF
TCNT overflow in interval timer mode
Watchdog timer mode: WDTOVF signal output
Timer disabled: TCNT is initialized to H'00 and
halted
Timer enabled: TCNT starts counting
WDTOVF signal or interrupt generated when
TCNT overflows
Clock
/2 (Initial value)
/64
/128
/256
/512
/1024
/4096
/8192
—
R
4
1
—
R
3
1
CKS2
R/W
2
0
Overflow Interval *
(When
25.6 µs
819.2 µs
1.6 ms
3.3 ms
6.6 ms
13.1 ms
52.4 ms
104.9 ms
8
CKS1
R/W
(Initial value)
(Initial value)
(Initial value)
1
0
= 20 MHz)
CKS0
R/W
WDT
0
0