R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 15

• Manufacturer Part Number: R5F211B1SP#U0
• Description: IC R8C MCU FLASH 4K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/1Br

Specifications of R5F211B1SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K5211B4S001BE - KIT STARTER FOR R8C/18191A1BR0K5211B4S000BE - KIT DEV EVALUATION R8C/1BR0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

18. Flash Memory
19. Electrical Characteristics
20. Usage Notes
18.1
18.2
18.3
18.4
18.5
18.6
18.7
20.1
20.2
20.3
18.3.1
18.3.2
18.4.1
18.4.2
18.4.3
18.4.4
18.4.5
18.5.1
18.6.1
18.7.1
20.1.1
20.1.2
20.1.3
20.1.4
20.1.5
20.2.1
20.2.2
20.2.3
20.2.4
20.2.5
20.2.6
Overview .................................................................................................245
Memory Map ...........................................................................................247
Functions to Prevent Rewriting of Flash Memory....................................249
CPU Rewrite Mode..................................................................................251
Standard Serial I/O Mode........................................................................269
Parallel I/O Mode.....................................................................................273
Notes on Flash Memory ..........................................................................274
Notes on Clock Generation Circuit ..........................................................296
Notes on Interrupts..................................................................................297
Precautions on Timers ............................................................................300
ID Code Check Function ..................................................................249
ROM Code Protect Function ............................................................250
EW0 Mode........................................................................................252
EW1 Mode........................................................................................252
Software Commands ........................................................................261
Status Register .................................................................................266
Full Status Check .............................................................................267
ID Code Check Function ..................................................................269
ROM Code Protect Function ............................................................273
CPU Rewrite Mode...........................................................................274
Stop Mode ........................................................................................296
Wait Mode ........................................................................................296
Oscillation Stop Detection Function..................................................296
Oscillation Circuit Constants.............................................................296
High-Speed On-Chip Oscillator Clock ..............................................296
Reading Address 00000h .................................................................297
SP Setting.........................................................................................297
External Interrupt and Key Input Interrupt ........................................297
Watchdog Timer Interrupt.................................................................297
Changing Interrupt Sources..............................................................298
Changing Interrupt Control Register Contents .................................299
A - 6
245
276
296