R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 384
![MCU FLASH 96K 5K CMOS 48-LQFP](/photos/28/61/286102/48-lqfp__plqp0048kb-a_sml.jpg)
R5F2121AJFP#U0
Manufacturer Part Number
R5F2121AJFP#U0
Description
MCU FLASH 96K 5K CMOS 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/21r
Datasheet
1.R5F21216JFP.pdf
(503 pages)
Specifications of R5F2121AJFP#U0
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
96KB (96K x 8)
Program Memory Type
FLASH
Ram Size
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 18.5
A/D Control Register 1
b7 b6 b5 b4
NOTES:
0 0 1
1.
2. When the VCUT bit is set to 1 (connected) from 0 (not connected), w ait for 1 µs or more before starting A/D
If the ADCON1 register is rew ritten during A/D conversion, the conversion result is indeterminate.
conversion.
b3 b2
0 0
b1 b0
ADCON1 Register in One-Shot Mode
0
Bit Symbol
ADCON1
(b2-b0)
(b7-b6)
Symbol
(1)
CKS1
VCUT
BITS
Page 366 of 458
—
—
Reserved bit
8/10-bit mode select bit
Frequency select bit 1
Vref connect bit
Reserved bit
Address
Bit Name
00D7h
(2)
Set to 0
0 : 8-bit mode
1 : 10-bit mode
Refer to a description of the CKS0 bit in the
ADCON0 register function
1 : Vref connected
Set to 0
After Reset
Function
00h
18. A/D Converter
RW
RW
RW
RW
RW
RW
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