R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 621

• Manufacturer Part Number: R5F21324ANSP#U1
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Ar

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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(c)2009.Renesas Technology Corp., All rights reserved.
Applicable
1. Information
2. Specification Change
Category
Product
Product
1.1 Changes
1.2 Applicable Documents
2.1 High-Speed On-Chip Oscillator Function Removed
Specifications in the R8C/32A Group, R8C/33A Group, R8C/35A Group, R8C/36A Group, R8C/38A Group,
R8C/3GA Group, and R8C/3JA Group datasheet and hardware manual have been changed.
Title
(1) Removed high-speed on-chip oscillator function
(2) Changed the flash memory suspend function specification
(3) Changed the flash memory suspend function’s electrical characteristics
2.1.1 Clock Generation Circuit Register Setting
• R8C/32A Group Datasheet
• R8C/32A Group Hardware Manual
• R8C/33A Group Datasheet
• R8C/33A Group Hardware Manual
• R8C/35A Group Datasheet
• R8C/35A Group Hardware Manual
• R8C/36A Group Hardware Manual
• R8C/38A Group Hardware Manual
• R8C/3GA Group Hardware Manual
• R8C/3JA Group Hardware Manual
The high-speed on-chip oscillator function has been removed. Do not select the high-speed on-chip oscillator
clock for the CPU clock or peripheral function. Descriptions regarding the high-speed on-chip oscillator in the
applicable documents shown in 1.2, other than descriptions in this technical update, are invalid.
2.1.1.1 High-Speed On-Chip Oscillator Control Register 0 (FRA0)
2.1.1.2 System Clock Control Register 3 (CM3)
(3) Do not set the FRA03 bit to 1 (fOCO-F divided by 128 selected for the fOCO128 clock) [refer to Figure
(1) Do not set bits CM37 to CM36 to 10b (high-speed on-chip oscillator clock selected for the CPU clock
(2) Do not set the FRA01 bit to 1 (high-speed on-chip oscillator selected for the fOCO clock) [refer to
(1) Do not set the FRA00 bit to 1 (high-speed on-chip oscillator on) [refer to Figure 2.1].
when the MCU exits wait mode or stop mode) [refer to Figure 2.2].
Figure 2.1]. The fOCO clock is used for timer RA.
2.1]. The fOCO128 clock is used for timers RC and RD.
MPU & MCU
R8C/32A Group, R8C/33A Group, R8C/35A
Group, R8C/36A Group, R8C/38A Group,
R8C/3GA Group, R8C/3JA Group
Specification Change
R8C/32A Group, R8C/33A Group,
R8C/35A Group, R8C/36A Group,
R8C/38A Group, R8C/3GA Group,
R8C/3JA Group
RENESAS TECHNICAL UPDATE
Rev.0.20 (REJ03B0229-0020)
Rev.0.20 (REJ03B0228-0020)
Rev.0.40 (REJ03B0225-0040)
Rev.0.20 (REJ09B0472-0020)
Rev.1.00 (REJ09B0508-0100)
Rev.0.20 (REJ09B0458-0020)
Rev.0.20 (REJ09B0455-0020)
Rev.0.40 (REJ09B0407-0040)
Rev.0.20 (REJ09B0480-0020)
Rev.0.10 (REJ09B0485-0010)
Lot No.
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Information
Document
Reference
Document
Category
No.
TN-R8C-A001B/E
Technical Notification
Date:Sep.24.2009
Rev.
Page 1 of 9
2.00