R5F211B1SP#U0 Renesas Electronics America, R5F211B1SP#U0 Datasheet - Page 323

• 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: -

R8C/1A Group, R8C/1B Group
Rev.1.30
REJ09B0252-0130
20.6
• Write to each bit (other than bit 6) in the ADCON0 register, each bit in the ADCON1 register, or the SMP bit
• When the VCUT bit in the ADCON1 register is changed from 0 (VREF not connected) to 1 (VREF
• After changing the A/D operating mode, select an analog input pin again.
• When using the one-shot mode, ensure that A/D conversion is completed before reading the AD register. The
• When using the repeat mode, use the undivided main clock as the CPU clock.
• If the ADST bit in the ADCON0 register is set to 0 (A/D conversion stops) by a program and A/ D conversion
in the ADCON2 register when A/D conversion is stopped (before a trigger occurs).
connected), wait for at least 1 µs before starting A/D conversion.
IR bit in the ADIC register or the ADST bit in the ADCON0 register can be used to determine whether A/D
conversion is completed.
is forcibly terminated during an A/D conversion operation, the conversion result of the A/D converter will be
undefined. If the ADST bit is set to 0 by a program, do not use the value of the AD register.
Notes on A/D Converter
Dec 08, 2006
Page 305 of 315
20. Usage Notes