DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 1057

• 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: -

KBCRL0—Keyboard Control Register L0
KBCRL1—Keyboard Control Register L1
KBCRL2—Keyboard Control Register L2
Bit
Initial value
Read/Write
R/W
Keyboard enable
KBE
0 Loading of receive data into KBBR is disabled
1 Loading of receive data into KBBR is enabled
7
0
KCLKO
R/W
Keyboard clock out
0 Keyboard buffer controller clock I/O pin is low
1 Keyboard buffer controller clock I/O pin is high
6
1
KDO
R/W
Keyboard data out
5
0 Keyboard buffer controller data I/O pin is low
1 Keyboard buffer controller data I/O pin is high
1
Receive counter
RXCR3
0
1
—
—
4
1
RXCR2 RXCR1
H'FED9
H'FEDD
H'FEE1
Rev. 4.00 Sep 27, 2006 page 1011 of 1130
0
1
0
1
RXCR3
3
R
0
—
0
1
0
1
0
1
Appendix B Internal I/O Registers
RXCR2
Keyboard Buffer Controller
Keyboard Buffer Controller
Keyboard Buffer Controller
RXCR0
2
0
R
—
0
1
0
1
0
1
0
1
0
1
0
1
Receive data contents
RXCR1
REJ09B0327-0400
1
R
0
Parity bit
Start bit
KB0
KB1
KB2
KB3
KB4
KB5
KB6
KB7
—
—
—
RXCR0
R
0
0