DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 1064

• Manufacturer Part Number: DF2148RTE20IV
• Description: MCU 5V 128K I-TEMP,PB-FREE, 100-
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148RTE20IV

• 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: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Appendix B Internal I/O Registers
DTCER—DTC Enable Register
DTVECR—DTC Vector Register
Rev. 4.00 Sep 27, 2006 page 1018 of 1130
REJ09B0327-0400
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Note: *
A value of 1 can always be written to the SWDTE bit, but 0 can only be written
after 1 is read.
SWDTE
DTCE7
R/(W) *
R/W
DTC activation enable
DTC software activation enable
7
0
7
0
0
1
0
1
DTC activation by interrupt is disabled
[Clearing conditions]
• When data transfer ends with the DISEL bit set to 1
• When the specified number of transfers end
DTC activation by interrupt is enabled
[Holding condition]
When the DISEL bit is 0 and the specified number of transfers
have not ended
DTC software activation is disabled
[Clearing condition]
When the DISEL bit is 0 and the specified number of transfers have
not ended
DTC software activation is enabled
[Holding conditions]
• When data transfer ends with the DISEL bit set to 1
• When the specified number of transfers end
• During software-activated deta transfer
DTVEC6
DTCE6
R/W
R/W
6
0
6
0
DTVEC5
DTCE5
R/W
R/W
5
0
5
0
DTVEC4
DTCE4
Sets vector number for DTC software activation
R/W
R/W
4
0
4
0
H'FEF3
H'FEEE to H'FEF2
DTVEC3
DTCE3
R/W
R/W
3
0
3
0
DTVEC2
DTCE2
R/W
R/W
2
0
2
0
DTVEC1
DTCE1
R/W
R/W
1
0
1
0
DTVEC0
DTCE0
R/W
R/W
0
0
0
0
DTC
DTC