DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 492

• 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: -

12.6
The relationship between SCSPTR and the SCI pins is shown in figures 12.19 and 12.20.
Rev. 5.00 Mar. 06, 2009 Page 472 of 770
REJ09B0243-0500
SCK
SPTRW:
Note: * These signals control the SCK pin according to the settings of the C/A bit in SCSMR
TXD
SPTRW:
Serial Port Register (SCSPTR) and SCI Pins
and bits CKE1 and CKE0 in SCSCR.
SCSPTR write
SCSPTR write
Figure 12.19 SPB1IO bit, SPB1DT bit, and SCK Pin
Figure 12.20 SPB0DT bit and TXD Pin
Q
Q
SCKIO
SCKDT
Q
R
C
SPBDT
R
C
SPTRW
Reset
Reset
SPTRW
R
C
D
D
Reset
SPTRW
D
Bit 3
Bit 2
Bit 0
Internal data bus
Clock output enable signal*
Serial clock output signal*
Serial clock input signal*
Serial input enable signal*
Transmit enable signal
Serial transmit data
Internal data bus