R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 546
R5F21324ANSP#U1
Manufacturer Part Number
R5F21324ANSP#U1
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Ar
Datasheet
1.R5F21322ANSPU1.pdf
(629 pages)
Specifications of R5F21324ANSP#U1
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
15
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-LSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Under development
R8C/32A Group
REJ09B0458-0020 Rev.0.20
Page 516 of 583
30.5
30.5.1
In standard serial I/O mode, a serial programmer which supports the MCU can be used to rewrite the user ROM
area while the MCU is mounted on-board.
There are three types of standard serial I/O modes:
•
•
•
Standard serial I/O mode 2 and standard serial I/O mode 3 can be used for the MCU.
Refer to Appendix 2. Connection Examples between Serial Writer and On-Chip Debugging Emulator for
examples of connecting to a serial programmer. Contact the serial programmer manufacturer for more information.
Refer to the user’s manual included with your serial programmer for instructions.
Table 30.7 lists the Pin Functions (Flash Memory Standard Serial I/O Mode 2) and Figure 30.16 shows Pin
Handling in Standard Serial I/O Mode 2. Table 30.8 lists the Pin Functions (Flash Memory Standard Serial I/O
Mode 3) and Figure 30.17 shows Pin Handling in Standard Serial I/O Mode 3.
After handling the pins shown in Table 30.8 and rewriting the flash memory using the programmer, apply a “H”
level signal to the MODE pin and reset the hardware to run a program in the flash memory in single-chip mode.
Standard serial I/O mode 1 .................Clock synchronous serial I/O used to connect to a serial programmer
Standard serial I/O mode 2 .................Clock asynchronous serial I/O used to connect to a serial programmer
Standard serial I/O mode 3 .................Special clock asynchronous serial I/O used to connect to a serial
The ID code check function determines whether the ID codes sent from the serial programmer and those written
in the flash memory match.
Refer to 12. ID Code Areas for details of the ID code check.
Standard Serial I/O Mode
ID Code Check Function
Preliminary specification
Specifications in this manual are tentative and subject to change.
Nov 05, 2008
programmer
30. Flash Memory
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