DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 526

• Manufacturer Part Number: DF3048BVX25V
• Description: MCU 3/5V 128K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3048BVX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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: Lead free / RoHS Compliant
• Eeprom Size: -

Section 13 Serial Communication Interface
Rev. 3.00 Sep 27, 2006 page 498 of 872
REJ09B0325-0300
MPIE
RDRF
RDR value
MPIE
RDRF
RDR value
MPB detection
MPIE= 0
MPB detection
MPIE= 0
1
1
Start
bit
Start
bit
(8-Bit Data with Multiprocessor Bit and One Stop Bit)
0
0
Figure 13.13 Example of SCI Receive Operation
Data (ID1)
Data (ID2)
D0
D0
D1
D1
RXI request
(multiprocessor
interrupt)
RXI request
(multiprocessor
interrupt)
a. Own ID does not match data
D7
D7
b. Own ID matches data
MPB
MPB
1
1
Stop
bit
Stop
bit
RXI handler reads
RDR data and clears
RDRF flag to 0
RXI interrupt handler
reads RDR data and
clears RDRF flag to 0
1
1
Start
bit
Start
bit
0
0
Data (data1)
Data (data2)
D0
D0
ID2
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
ID1
D7
D7
MPB
MPB
0
0
Stop
bit
Stop
bit
No RXI request,
RDR not updated
1
1
MPIE bit is set
to 1 again
Data 2
Idle (mark)
state
Idle (mark)
state
1
1