DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 1111

• Manufacturer Part Number: DF2148ATE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148ATE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: Host Interface, I²C, IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 74
• 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: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148ATE20; HD64F2148ATE20

TCSR1—Timer Control/Status Register 1
Note: * Only 0 can be written in bits 7 to 5, to clear the flags.
TCSR1
Bit
Initial value
Read/Write
Compare match flag B
R/(W) *
CMFB
0
1
7
0
[Clearing conditions]
• Read CMFB when CMFB = 1, then write 0 in CMFB
• When the DTC is activated by a CMIB interrupt
[Setting condition]
When TCNT = TCORB
R/(W) *
Compare match flag A
CMFA
0
1
6
0
[Clearing conditions]
• Read CMFA when CMFA = 1, then write 0 in CMFA
• When the DTC is activated by a CMIA interrupt
[Setting condition]
When TCNT = TCORA
Timer overflow flag
R/(W) *
0
1
OVF
5
0
[Clearing condition]
Read OVF when OVF = 1, then write 0 in OVF
[Setting condition]
When TCNT overflows from H'FF to H'00
Output select 3 and 2
0
1
—
—
4
1
Output select 1 and 0
0
1
0
1
0
1
Rev. 4.00 Sep 27, 2006 page 1065 of 1130
OS3
R/W
H'FFCB
No change at compare match B
0 output at compare match B
1 output at compare match B
Output inverted at compare
match B (toggle output)
3
0
0
1
0
1
No change at compare match A
0 output at compare match A
1 output at compare match A
Output inverted at compare
match A (toggle output)
Appendix B Internal I/O Registers
OS2
R/W
2
0
OS1
R/W
1
0
REJ09B0327-0400
OS0
R/W
0
0
TMR1