R5F21122FP#U0 Renesas Electronics America, R5F21122FP#U0 Datasheet - Page 173

• Manufacturer Part Number: R5F21122FP#U0
• Description: IC R8C MCU FLASH 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/12r

Specifications of R5F21122FP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/12 Group
Rev.1.20
REJ09B0110-0120
Figure 17.15 Circuit Application in Standard Serial I/O Mode 2
Figure 17.14 Circuit Application in Standard Serial I/O Mode 1
• Example of Circuit Application in the Standard Serial I/O Mode
Jan 27, 2006
Figures 17.14 and 17.15 show examples of circuit application in standard serial I/O mode 1 and
mode 2, respectively. Refer to the serial programmer manual of your programmer to handle pins
controlled by the programmer.
(1) In this example, modes are switched between single-chip mode and standard
(2) Connecting the oscillation is necessary. Set the main clock frequency 1MHz
serial I/O mode by controlling the MODE input with a switch.
to 20 MHz. Refer to "Appendix 2.2 Connecting examples with M16C Flash
Starter (M3A-0806)".
Data output
Data input
page 161 of 181
(1) Control pins and external circuitry will vary according to programmer.
(2) In this example, modes are switched between single-chip mode and
(3) When operating with on-chip oscillator clock, connecting the oscillation
For more information, see the programmer manual.
standard serial I/O mode by connecting a programmer.
circuit is not necessary. Refer to "Appendix figure 2.1 Connecting
Examples with USB Flash Writer (M3A-0665)".
Data input
CNVss input
Reset input
Data output
MODE
I/O
User reset
signal
RxD
TxD
RxD
TxD
RESET
MODE
CNVss
Microcomputer
Microcomputer
CNVss
MODE
17.5 Standard Serial I/O Mode