HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 438

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 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: -

Section 12 Serial Communication Interface
Figure 12.13 shows an example of SCI receive operation using a multiprocessor format.
Rev. 2.00 Sep 20, 2005 page 398 of 800
REJ09B0260-0200
MPIE
RDRF
RDR value
MPIE
RDRF
RDR value
MPB detection
MPIE = 0
MPB detection
MPIE = 0
1
1
Start
bit
Start
bit
0
0
RXI interrupt request
(multiprocessor interrupt)
D0
(8-Bit Data with Multiprocessor Bit and One Stop Bit)
D0
ID1
RXI interrupt request
(multiprocessor interrupt)
Data (ID2)
Data (ID1)
Figure 12.13 Example of SCI Receive Operation
D1
D1
D7
a. Own ID does not match data
b. Own ID matches data
D7
MPB
MPB
1
1
RXI interrupt handler reads
RDR data and clears
RDRF flag to 0
RXI interrupt handler
reads RDR data and
clears RDRF flag to 0
Stop
bit
Stop
bit
1
1
Start
bit
Start
bit
0
0
D0
Data (data1)
Data (data2)
D0
D1
D1
Own ID, so receiving
continues, with data
received by RXI
interrupt handler
Not own ID, so MPIE
bit is set to 1 again
ID2
ID1
D7
D7
MPB
MPB
0
0
1
Stop
bit
Stop
bit
1
MPIE bit is set to
1 again
Idle (mark)
state
Idle (mark)
state
No RXI interrupt
request, RDR not
updated
Data2
1
1