R5F21256SNFP#ES Renesas Electronics America, R5F21256SNFP#ES Datasheet - Page 406
R5F21256SNFP#ES
Manufacturer Part Number
R5F21256SNFP#ES
Description
MCU 2/5V 32K 52-LQFP ES SAMPLE
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21256SNFP#ES
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
52-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
18.1
Table 18.2
Function
Start condition
Stop condition
Interrupt request generation
timing
Input pin
Reading of A/D conversion
result
In one-shot mode, the input voltage of one selected pin is A/D converted once.
Table 18.2 lists the One-Shot Mode Specifications. Figures 18.4 and 18.5 show Registers ADCON0 and ADCON1
in One-Shot Mode.
One-Shot Mode
Feb 29, 2008
Item
One-Shot Mode Specifications
Page 387 of 485
The input voltage of one pin selected by bits CH2 to CH0 and ADGSEL0 is
A/D converted once
• When the ADCAP bit is set to 0 (software trigger):
• When the ADCAP bit is set to 1 (starts in timer RD (complementary PWM
• A/D conversion completes (when the ADCAP bit is set to 0 (software
• Set the ADST bit to 0
A/D conversion completes
Select one of AN0 to AN11
Read AD register
mode):
trigger) ADST bit is set to 0)
Set the ADST bit to 1 (A/D conversion starts)
A compare match between registers TRD0 and TRDGRA0 or a TRD1
underflow is generated while the ADST bit is set to 1
Specification
18. A/D Converter
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