R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 573

MCU 1KB FLASH 16K ROM 20-LSSOP

R5F21324CNSP#U0

Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet

Specifications of R5F21324CNSP#U0

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
-
R8C/32C Group
REJ09B0573-0100 Rev.1.00 Dec. 18, 2009
Page 544 of 573
32.1.3
32.1.4
Since the oscillation stop detection function cannot be used if the XIN clock frequency is below 2 MHz, set bits
OCD1 to OCD0 to 00b.
Consult the oscillator manufacturer to determine the optimal oscillation circuit constants for the user system.
To use the MCU with supply voltage below VCC = 2.7 V, it is recommended to set the CM11 bit in the CM1
register to 1 (on-chip feedback resistor disabled) and connect the feedback resistor to the chip externally.
Oscillation Stop Detection Function
Oscillation Circuit Constants
32. Usage Notes

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