R5F21272SNFP#U0 Renesas Electronics America, R5F21272SNFP#U0 Datasheet - Page 396

• Manufacturer Part Number: R5F21272SNFP#U0
• Description: IC R8C/27 MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/27r

Specifications of R5F21272SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 25
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 19.18
Figure 19.19
19.5.1.1
Figure 19.18 shows an Example of Pin Processing in Standard Serial I/O Mode 2, Figure 19.19 shows an
Example of Pin Processing in Standard Serial I/O Mode 3. Since the controlled pins vary depending on the
programmer, refer to the manual of your serial programmer for details.
Sep 26, 2008
Example of Circuit Application in the Standard Serial I/O Mode
Example of Pin Processing in Standard Serial I/O Mode 2
Example of Pin Processing in Standard Serial I/O Mode 3
NOTES:
Data Output
Data Input
NOTES:
MODE I/O
Reset input
1. In this example, modes are switched between single-chip mode and
2. Connecting the oscillation is necessary. Set the main clock frequency 1
standard serial I/O mode by controlling the MODE input with a switch.
MHz to 20 MHz. Refer to Appendix Figure 2.1 Connection Example with
M16C Flash Starter (M3A-0806).
1. Controlled pins and external circuits vary depending on the programmer.
2. In this example, modes are switched between single-chip mode and
3. When operating with the on-chip oscillator clock, it is not necessary to
Page 377 of 453
Refer to the programmer manual for details.
standard serial I/O mode by connecting a programmer.
connect an oscillating circuit.
User reset signal
TXD
RXD
MODE
RESET
MCU
MCU
MODE
19. Flash Memory