DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 513

• 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

Data Transfer Operations
Multiprocessor Serial Data Transmission: Figure 15.10 shows a sample flowchart for
multiprocessor serial data transmission.
The following procedure should be used for multiprocessor serial data transmission.
Figure 15.9 Example of Inter-Processor Communication Using Multiprocessor Format
Serial
data
Legend:
MPB: Multiprocessor bit
Transmitting
Receiving
station A
(ID = 01)
station
(Transmission of Data H'AA to Receiving Station A)
ID transmission cycle:
receiving station
specification
H'01
Receiving
station B
(ID = 02)
(MPB = 1)
Section 15 Serial Communication Interface (SCI, IrDA)
Serial communication line
Data transmission cycle:
data transmission to
receiving station specified
by ID
Rev. 4.00 Sep 27, 2006 page 467 of 1130
Receiving
H'AA
station C
(ID = 03)
(MPB = 0)
Receiving
station D
(ID = 04)
REJ09B0327-0400