R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 474
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 444 of 583
27.2
27.2.1
Note:
1. When on-chip reference voltage is used as analog input, first set the ADEX0 bit in the ADCON1 register to 1 (on-
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 0026h
chip reference voltage selected) and then set the OCVREFAN bit to 1 (on-chip reference voltage and analog
input are connected).
When on-chip reference voltage is not used as analog input, first set the OCVREFAN bit to 0 (on-chip reference
voltage and analog input are cut off) and then set the ADEX0 bit to 0 (extended analog input pin not selected).
Set the PRC3 bit in the PRCR register to 1 (write enabled) before rewriting the OCVREFCR register.
If the contents of the OCVREFCR register are rewritten during A/D conversion, the conversion result is
undefined.
Symbol
Registers
OCVREFAN On-chip reference voltage to
Bit
Symbol
On-Chip Reference Voltage Control Register (OCVREFCR)
—
—
—
—
—
—
—
Preliminary specification
Specifications in this manual are tentative and subject to change.
b7
—
0
analog input connect bit
Reserved bits
b6
—
0
Nov 05, 2008
Bit Name
b5
—
0
(1)
b4
—
0
0: On-chip reference voltage and analog input are cut off
1: On-chip reference voltage and analog input are
Set to 0.
connected
b3
—
0
b2
—
0
Function
b1
—
0
OCVREFAN
b0
0
27. A/D Converter
R/W
R/W
R/W
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