DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 531

• 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

High-Level Pulse Width Selection
Table 15.12 shows possible settings for bits IrCKS2 to IrCKS0 (minimum pulse width), and this
LSI operating frequencies and bit rates, for making the pulse width shorter than 3/16 times the bit
rate in transmission.
Table 15.12 Bit IrCKS2 to IrCKS0 Settings
Legend:
—: An SCI bit rate setting cannot be mode.
Operating
Frequency
2
2.097152
2.4576
3
3.6864
4.9152
5
6
6.144
7.3728
8
9.8304
10
12
12.288
14
14.7456
16
16.9344
17.2032
18
19.6608
20
(MHz)
2400
78.13
010
010
010
011
011
011
011
100
100
100
100
100
100
101
101
101
101
101
101
101
101
101
101
Bit Rate (bps) (Upper Row) / Bit Interval
9600
19.53
010
010
010
011
011
011
011
100
100
100
100
100
100
101
101
101
101
101
101
101
101
101
101
Section 15 Serial Communication Interface (SCI, IrDA)
19200
9.77
010
010
010
011
011
011
011
100
100
100
100
100
100
101
101
101
101
101
101
101
101
101
101
Rev. 4.00 Sep 27, 2006 page 485 of 1130
38400
4.88
010
010
010
011
011
011
011
100
100
100
100
100
100
101
101
101
101
101
101
101
101
101
101
3/16 (µs) (Lower Row)
57600
3.26
010
010
010
011
011
011
011
100
100
100
100
100
100
101
101
101
101
101
101
101
101
101
101
REJ09B0327-0400
115200
1.63
—
—
—
—
011
011
011
100
100
100
100
100
100
101
101
101
101
101
101
101
101
101
101