DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 987

• Manufacturer Part Number: DF2134AFA20V
• Description: IC H8S/2100 MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2134AFA20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 58
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 80-QFP
• For Use With: 3DK2166 - DEV EVAL KIT H8S/2166
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

TCSR0—Timer Control/Status Register 0
Bit
Initial value
Read/Write
TCSR0
Note: * Only 0 can be written, to clear the flag.
Overflow flag
0
1
R/(W) *
OVF
[Clearing conditions]
• Write 0 in the TME bit
• Read TCSR when OVF = 1, then write 0 in OVFA
[Setting condition]
When TCNT overflows (changes from H'FF to H'00)
(When internal reset request generation is selected in watchdog
timer mode, OVF is cleared automatically by the internal reset.)
7
0
Timer mode select
WT/IT
0
1
R/W
6
0
Interval timer: Sends the CPU an interval timer interrupt
request (WOVI) when TCNT overflows
Watchdog timer: Generates a reset or NMI interrupt when
TCNT overflows
Timer enable
0
1
TME
R/W
5
0
TCNT is initialized to H'00 and halted
TCNT counts
Reserved bit
RSTS
R/W
4
0
RST/NMI
Reset or NMI
0
1
Rev. 4.00 Jun 06, 2006 page 931 of 1004
R/W
H'FFA8
3
0
NMI interrupt requested
Internal reset requested
Clock select 2 to 0
CKS2
Appendix B Internal I/O Registers
0
1
CKS2
R/W
2
0
CKS1
0
1
0
1
CKS1
R/W
CKS0
1
0
0
1
0
1
0
1
0
1
REJ09B0301-0400
/2
/64
/128
/512
/2048
/8192
/32768
/131072
CKS0
R/W
Clock
0
0
WDT0