DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 15

• 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: -

10.4 Operation ........................................................................................................................... 398
10.5 Interrupts............................................................................................................................ 401
10.6 Usage Note......................................................................................................................... 402
Section 11 Watchdog Timer (WDT) ...................................................................403
11.1 Features.............................................................................................................................. 403
11.2 Input/Output Pin for WDT................................................................................................. 405
11.3 Register Descriptions ......................................................................................................... 406
11.4 Operation ........................................................................................................................... 410
11.5 Usage Note......................................................................................................................... 412
Section 12 Serial Communication Interface (SCI) ..............................................413
12.1 Features.............................................................................................................................. 413
12.2 Input/Output Pins............................................................................................................... 415
12.3 Register Descriptions ......................................................................................................... 416
10.3.4 Software Port Output Enable Register (SPOER) .................................................. 393
10.3.5 Port Output Enable Control Register 1 (POECR1)............................................... 395
10.3.6 Port Output Enable Control Register 2 (POECR2)............................................... 396
10.4.1 Input Level Detection Operation .......................................................................... 398
10.4.2 Output-Level Compare Operation ........................................................................ 400
10.4.3 Release from High-Impedance State .................................................................... 400
10.6.1 Pin State when a Power-On Reset is Issued from the Watchdog Timer ............... 402
11.3.1 Watchdog Timer Counter (WTCNT).................................................................... 406
11.3.2 Watchdog Timer Control/Status Register (WTCSR)............................................ 407
11.3.3 Notes on Register Access ..................................................................................... 409
11.4.1 Canceling Software Standbys ............................................................................... 410
11.4.2 Using Watchdog Timer Mode .............................................................................. 410
11.4.3 Using Interval Timer Mode .................................................................................. 411
11.5.1 Overflow............................................................................................................... 412
11.5.2 WDTOVF Signal Connection............................................................................... 412
12.3.1 Receive Shift Register (SCRSR) .......................................................................... 417
12.3.2 Receive Data Register (SCRDR) .......................................................................... 417
12.3.3 Transmit Shift Register (SCTSR) ......................................................................... 417
12.3.4 Transmit Data Register (SCTDR)......................................................................... 418
12.3.5 Serial Mode Register (SCSMR)............................................................................ 418
12.3.6 Serial Control Register (SCSCR).......................................................................... 421
12.3.7 Serial Status Register (SCSSR) ............................................................................ 424
12.3.8 Serial Port Register (SCSPTR) ............................................................................. 430
12.3.9 Serial Direction Control Register (SCSDCR)....................................................... 432
12.3.10 Bit Rate Register (SCBRR) .................................................................................. 433
Rev. 5.00 Mar. 06, 2009 Page xiii of xviii
REJ09B0243-0500