DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 483

• Manufacturer Part Number: DF2345TE20
• Description: MCU 5V 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2345TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 71
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 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: HD64F2345TE20; HD64F2345TE20

Figure 12.11 shows an example of SCI operation for transmission using the multiprocessor
format.
Multiprocessor serial data reception: Figure 12.12 shows a sample flowchart for multiprocessor
serial reception.
The following procedure should be used for multiprocessor serial data reception.
request generated
TDRE
TEND
TXI interrupt
1
Start
bit
0
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
Figure 12.11 Example of SCI Operation in Transmission
Data written to TDR
and TDRE flag cleared to
0 in TXI interrupt service
routine
D0
D1
1 frame
Data
D7
Multi-
proce-
ssor
bit
0/1
TXI interrupt
request generated
Stop
bit
1
Section 12 Serial Communication Interface (SCI)
Start
bit
0
D0
Rev. 4.00 Feb 15, 2006 page 457 of 900
D1
Data
D7
Multi-
proces-
sor bit
0/1
TEI interrupt
request generated
REJ09B0291-0400
Stop
bit
1
Idle state
(mark state)
1