DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 831

• Manufacturer Part Number: DF3048BVX25V
• Description: MCU 3/5V 128K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048BVX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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: Lead free / RoHS Compliant
• Eeprom Size: -

TCSR—Timer Control/Status Register
Bit
Initial value
Read/Write
Note: * Only 0 can be written, to clear the flag.
Overflow flag
0 [Clearing condition]
1 [Setting condition]
Timer mode select
Read OVF when OVF = 1, then write 0 in OVF
TCNT changes from H'FF to H'00
0 Interval timer: requests interval timer interrupts
1 Watchdog timer: generates a reset signal
Timer enable
0 Timer disabled
1 Timer enabled
•
•
•
TCNT is initialized to H'00 and halted
TCNT is counting
CPU interrupt requests are enabled
R/(W)
OVF
7
0
*
WT/
R/W
6
0
IT
TME
R/W
5
0
4
1
Rev. 3.00 Sep 27, 2006 page 803 of 872
3
1
Clock select 2 to 0
Appendix B Internal I/O Register
0
1
H'A8
CKS2
R/W
2
0
0
1
0
1
CKS1
R/W
REJ09B0325-0300
1
0
0
1
0
1
0
1
0
1
/2
/32
/64
/128
/256
/512
/2048
/4096
CKS0
R/W
0
0
WDT