DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 472

• Manufacturer Part Number: DF71251AD50FPV
• Description: MCU RISC FLASH 32K 8K 64LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Tinyr

Specifications of DF71251AD50FPV

• Core Processor: SH-2
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Figure 12.5 shows an example of the operation for transmission.
Rev. 5.00 Mar. 06, 2009 Page 452 of 770
REJ09B0243-0500
Serial
data
TDRE
TEND
1
TXI interrupt
request
Figure 12.5 Example of Transmission in Asynchronous Mode
Start
bit
0
Data written to SCTDR
and TDRE flag cleared to 0
by TXI interrupt handler
D0
D1
One frame
Data
(8-Bit Data, Parity, One Stop Bit)
D7
Parity
bit
0/1
TXI interrupt
request
Stop
bit
1
Start
bit
0
D0
D1
Data
D7
Parity
bit
0/1
Stop
bit
1
TEI interrupt
request
Idle state
(mark state)
1