R5F21122FP#U0 Renesas Electronics America, R5F21122FP#U0 Datasheet - Page 118

• Manufacturer Part Number: R5F21122FP#U0
• Description: IC R8C MCU FLASH 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/12r

Specifications of R5F21122FP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 32-LQFP
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/12 Group
Rev.1.20
REJ09B0110-0120
Figure 14.2 ADCON0 Register and ADCON1 Register
A D c o n t r o l r e g i s t e r 0
AD control register 1
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
b7 b6 b5 b4 b3 b2 b1 b0
0
N O T E S :
NOTES:
1. If the ADCON1 register is rewritten during A/D conversion, the conversion result is indeterminate.
2. In repeat mode, the BITS bit must be set to “0” (8-bit mode).
3. The
4. If the VCUT bit is reset from “0” (Vref unconnected) to “1” (Vref connected), wait for 1 µs or more before starting A/D
1 . I f t h e A D C O N r e g i s t e r i s r e w r i t t e n d u r i n g A / D c o n v e r s i o n , t h e c o n v e r s i o n r e s u l t i s i n d e t e r m i n a t e .
2 . W h e n c h a n g i n g A / D o p e r a t i o n m o d e , s e t a n a l o g i n p u t p i n a g a i n .
3 . T h i s b i t i s v a l i d w h e n t h e C K S 1 b i t i n t h e A D C O N 1 r e g i s t e r i s s e t t o “ 0 ” .
0
Jan 27, 2006
conversion.
0
AD
0
frequency must be 10 MHz or less.
0
0
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0
(1 )
(1)
Bit symbol
Bit symbol
(b6-b7)
( b 2 - b 0 )
B I T S
C K S 1
VCUT
ADST
CKS0
M D
C H 0
C H 1
C H 2
(b4)
(b5)
Symbol
ADCON0
Symbol
ADCON1
8 / 1 0 - b i t m o d e s e l e c t
b i t
F r e q u e n c y s e l e c t
b i t 1
V r e f c o n n e c t b i t
Reserved bit
R e s e r v e d b i t
Analog input pin select
bit
AD operation mode select
bit 0
Frequency select bit 0
Reserved bit
Reserved bit
A/D conversion start flag
(2 )
(2)
(3 )
(2)
Bit name
B i t n a m e
Address
Address
00D6
00D7
(4 )
16
16
(3)
0 : 8 - b i t m o d e
1 : 1 0 - b i t m o d e
0 : V r e f n o t c o n n e c t e d
1 : V r e f c o n n e c t e d
0 : CKS0 bit in ADCON0 register is valid
1 : f
Set to “0”
Set to “0”
00000XXX
AD
After reset
After reset
b2 b1 b0
0 0 0 : AN
0 0 1 : AN
0 1 0 : AN
0 1 1 : AN
1 0 0 : AN
1 0 1 : AN
1 1 0 : AN
1 1 1 : AN
0 : One-shot mode
1 : Repeat mode
0 : f
1 : f
0 : A/D conversion disabled
1 : A/D conversion started
Set to “0”
S e t t o “ 0 ”
is selected
00
AD
AD
16
/4 is selected
/2 is selected
0
1
2
3
4
5
6
7
2
is selected
is selected
is selected
is selected
is selected
is selected
is selected
is selected
Function
Function
14. A/D Converter
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW