R5F21191SP#U0 Renesas Electronics America, R5F21191SP#U0 Datasheet - Page 216

• Manufacturer Part Number: R5F21191SP#U0
• Description: IC R8C MCU FLASH 8K 20SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/19r

Specifications of R5F21191SP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SIO, 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 4x1b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521174CPE10 - EMULATOR COMPACT R8C/18/19/1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/18 Group, R8C/19 Group
Rev.1.30
REJ09B0222-0130
17.6
17.6.1
Parallel I/O mode is used to input and output software commands, addresses, and data necessary to
control (read, program, and erase) the on-chip flash memory. Use a parallel programmer which supports
this MCU. Contact the manufacturer of the parallel programmer for more information, and refer to the
user’s manual of the parallel programmer for details on how to use it.
ROM areas shown in Figures 17.1 and 17.2 can be rewritten in parallel I/O mode.
The ROM code protect function disables the reading and rewriting of the flash memory. (Refer to the
17.3 Functions to Prevent Rewriting of Flash Memory.)
Parallel I/O Mode
Apr 14, 2006
ROM Code Protect Function
Page 199 of 233
17. Flash Memory Version