DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 1126

• 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

Appendix B Internal I/O Registers
STR1—Status Register 1
STR2—Status Register 2
DADR0—D/A Data Register 0
DADR1—D/A Data Register 1
Rev. 4.00 Sep 27, 2006 page 1080 of 1130
REJ09B0327-0400
Bit
Initial value
Slave R/W
Host R/W
Bit
Initial value
Read/Write
DBU
R/W
R/W
R
7
0
7
0
User-defined bits
DBU
R/W
R/W
R
6
0
6
0
DBU
R/W
R/W
R
5
0
Command/data
5
0
Stores data for D/A conversion
0
1
Contents of input data register (IDR) are data
Contents of input data register (IDR) are a command
DBU
R/W
R/W
R
4
0
4
0
Input buffer full
0
1
H'FFF6
H'FFFE
H'FFF8
H'FFF9
C/D
[Clearing condition]
When the slave processor reads IDR
[Setting condition]
When the host processor writes to IDR
R/W
R
R
3
0
3
0
Output buffer full
0
1
DBU
R/W
R/W
R
2
0
2
0
[Clearing condition]
When the host processor
reads ODR
[Setting condition]
When the slave processor
writes to ODR
IBF
R/W
R
R
1
0
1
0
D/A Converter
D/A Converter
R/(W)
OBF
R/W
R
0
0
0
0
HIF
HIF