R5F21237JFP#U0 Renesas Electronics America, R5F21237JFP#U0 Datasheet - Page 429
![IC R8C/23 MCU FLASH 48LQFP](/photos/28/61/286102/48-lqfp__plqp0048kb-a_sml.jpg)
R5F21237JFP#U0
Manufacturer Part Number
R5F21237JFP#U0
Description
IC R8C/23 MCU FLASH 48LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21237JFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21237JFP#U0R5F21237JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21237JFP#U0R5F21237JFP#ES
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
R5F21237JFP#U0R5F21237JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 19.6
A/D Control Register 0
b7 b6 b5 b4
NOTES:
1.
2.
3.
4.
If the ADCON0 register is rew ritten during A/D conversion, the conversion result is indeterminate.
When changing A/D operation mode, set the analog input pin again.
Set øAD frequency to 10 MHz or below .
The analog input pin can be select according to a combination of the CH0 to CH2 bits and the ADGSEL0 bit.
CH2 to CH0
b3 b2 b1 b0
1
000b
001b
010b
011b
100b
101b
110b
111b
ADCON0 Register in Repeat Mode
ADGSEL0 = 0
Bit Symbol
ADGSEL0
ADCON0
ADCAP
Symbol
(1)
ADST
CKS0
Page 407 of 501
CH0
CH1
CH2
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
MD
Analog input pin select bit
A/D operating mode select
bit
A/D input group select bit
A/D conversion automatic
start bit
A/D conversion start flag
Frequency select bit 0
(2)
ADGSEL0 = 1
Do not set
Address
Bit Name
00D6h
AN10
AN11
AN8
AN9
(4)
Refer to (4)
1 : Repeat mode
0 : Selects port P0 group (AN0 to AN7)
1 : Selects port P1 group (AN8 to AN11)
0 : Starts in softw are trigger (ADST bit)
1 : Starts in timer RD
0 : Disables A/D conversion
1 : Starts A/D conversion
[When CKS1 in ADCON1 register = 0]
0 : Select f4
1 : Select f2
[When CKS1 in ADCON1 register = 1]
0 : Select f1
1 : Do not set
(complementary PWM mode)
(3)
After Reset
Function
00h
19. A/D Converter
RW
RW
RW
RW
RW
RW
RW
RW
RW
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