HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 770

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 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: -

Appendix B Internal I/O Registers
TCSR—Timer Control/Status Register
Rev. 2.00 Sep 20, 2005 page 730 of 800
REJ09B0260-0200
Note: * Only 0 can be written to clear the flag.
Initial value
Read/Write
Bit
Overflow flag
R/(W) *
0
1
OVF
7
0
[Clearing condition]
Read OVF when OVF = 1, then write 0 in OVF
[Setting condition]
TCNT changes from H'FF to H'00
Timer mode select
0
1
WT/IT
R/W
0
6
Interval timer:
requests interval timer interrupts
Watchdog timer:
generates a reset signal
Timer enable
TME
R/W
0
1
5
0
Timer disabled
• TCNT is initialized to H'00 and halted
Timer enabled
• TCNT starts counting up
—
—
4
1
H'FFF8C
—
—
3
1
Clock select 2 to 0
CKS2 CKS1 CKS0
0
1
CKS2
R/W
2
0
0
1
0
1
0
1
0
1
0
1
0
1
CKS1
R/W
1
0
/2
/32
/64
/128
/256
/512
/2048
/4096
Description
CKS0
R/W
0
WDT
0