HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 540

• Manufacturer Part Number: HD64F2638F20J
• Description: IC H8S MCU FLASH 256K 128-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2638F20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 72
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 13 Serial Communication Interface (SCI)
Figure 13-11 shows an example of SCI operation for transmission using the multiprocessor
format.
• Multiprocessor serial data reception
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request generated
TDRE
TEND
Figure 13-12 shows a sample flowchart for multiprocessor serial reception.
The following procedure should be used for multiprocessor serial data reception.
TXI interrupt
1
Start
bit
0
(Example with 8-Bit Data, Multiprocessor Bit, One Stop Bit)
Figure 13-11 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
Start
bit
0
D0
D1
Data
H8S/2639, H8S/2638, H8S/2636,
D7
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
Multi-
proces-
sor bit
0/1
TEI interrupt
request generated
Stop
bit
1
Idle state
(mark state)
May 28, 2010
1