DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 434

• 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: -

• Four types of interrupts: There are four interrupt sources, transmit-data-empty, transmit end,
• Module standby mode can be set
Figure 12.1 shows a block diagram of the SCI.
RXD
TXD
SCK
Rev. 5.00 Mar. 06, 2009 Page 414 of 770
REJ09B0243-0500
[Legend]
SCRSR:
SCRDR:
SCTSR:
SCTDR:
SCSMR:
SCSCR:
SCSSR:
SCBRR:
SCSPTR:
SCSDCR:
receive-data-full, and receive error interrupts, and each interrupt can be requested
independently.
Receive shift register
Receive data register
Transmit shift register
Transmit data register
Serial mode register
Serial control register
Serial status register
Bit rate register
Serial port register
Serial direction control register
SCRSR
SCRDR
Figure 12.1 Block Diagram of SCI
Parity generation
SCTDR
SCTSR
Parity check
Module data bus
Transmission/reception
control
SCSDCR
SCSPTR
SCSMR
SCSSR
SCSCR
External clock
Clock
Baud rate
generator
SCI
SCBRR
TEI
TXI
RXI
ERI
Internal
data bus
P φ
P φ /4
P φ /16
P φ /64