DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 516

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: Lead free / RoHS Compliant
• Eeprom Size: -

Section 13 Serial Communication Interface
Rev. 3.00 Mar 21, 2006 page 486 of 814
REJ09B0302-0300
Transmitting and Receiving Serial Data Simultaneously (Synchronous Mode)
Figure 13.20 shows a sample flowchart for transmitting and receiving serial data
simultaneously and indicates the procedure to follow.
Serial data
RDRF
ORER
Serial clock
RXI
request
Bit 7
Figure 13.19 Example of SCI Receive Operation
RXI interrupt
handler reads
data in RDR
and clears
RDRF flag to 0
Bit 0
1 frame
Bit 7
RXI
request
Bit 0
Bit 1
Bit 6
Overrun error,
ERI request
Bit 7