R5F21292SNSP#U0 Renesas Electronics America, R5F21292SNSP#U0 Datasheet - Page 351
R5F21292SNSP#U0
Manufacturer Part Number
R5F21292SNSP#U0
Description
MCU 3/5V 16K+2K 20PIN-SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/29r
Datasheet
1.R5F21282SNSPU0.pdf
(473 pages)
Specifications of R5F21292SNSP#U0
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
13
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
20-SSOP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
18.1
Figure 18.4
Table 18.2
A/D Control Register 0
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 Specifications of One-Shot Mode. Figure 18.4 shows the ADCON0 Register in One-Shot Mode
and Figure 18.5 shows the ADCON1 Register in One-Shot Mode.
b7 b6 b5 b4
NOTES:
1.
2.
3.
4.
0 1 0
If the ADCON0 register is rew ritten during A/D conversion, the conversion result is undefined.
Bits CH0 to CH2 are enabled w hen the ADGSEL0 bit is set to 1. Write to bits CH0 to CH2 after setting the ADGSEL0 bit
to 1.
When changing A/D operation mode, set the analog input pin again.
Set øAD frequency to 10 MHz or below .
One-Shot Mode
Sep 26, 2008
b3 b2 b1 b0
Item
1
Specifications of One-Shot Mode
ADCON0 Register in One-Shot Mode
Bit Symbol
ADGSEL0
ADCON0
(1)
Symbol
ADST
CKS0
CH0
CH1
CH2
(b5)
MD
Page 332 of 441
—
The input voltage of one pin selected by bits CH2 to CH0 is A/D converted
once
Set the ADST bit to 1 (A/D conversion starts)
• A/D conversion completes (ADST bit is set to 0)
• Set the ADST bit to 0
A/D conversion completes
Select one of AN8 to AN11
Read AD register
Analog input pin select
bits
A/D operating mode select
bit
A/D input group select bit
Reserved bit
A/D conversion start flag
Frequency select bit 0
(3)
(2)
Address
Bit Name
00D6h
b2 b1 b0
0 : One-shot mode
0 : Disabled
1 : Enabled (AN8 to AN11)
Set to 0.
0 : Stops A/D conversion
1 : Starts A/D conversion
[When CKS1 in ADCON1 register = 0]
0 : Selects f4
1 : Selects f2
[When CKS1 in ADCON1 register = 1]
0 : Selects f1
1 : Selects fOCO-F
1 0 0 : AN8
1 0 1 : AN9
1 1 0 : AN10
1 1 1 : AN11
Other than above : Do not set.
Specification
(4)
After Reset
Function
00h
18. A/D Converter
RW
RW
RW
RW
RW
RW
RW
RW
RW
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