R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 121

• Manufacturer Part Number: R5F21102DFP#U0
• Description: IC R8C MCU FLASH 8K 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/10r

Specifications of R5F21102DFP#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: -40°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/10 Group
Rev.1.20 Jan 27, 2006
REJ09B0019-0120
Table 14.3 Repeat Mode Specifications
Figure 14.5 ADCON0 Register and ADCON1 Register in Repeat Mode
Function
Start condition
Stop condition
Interrupt request generation timing
Input pin
Reading of result of A/D converter
14.2 Repeat Mode
In repeat mode, the input voltage on one selected pin is A/D converted repeatedly. Table 14.3 lists the
specifications of repeat mode. Figure 14.5 shows the ADCON0 and ADCON1 registers in repeat
mode.
A D c o n t r o l r e g i s t e r 0
A D c o n t r o l r e g i s t e r 1
b 7 b 6 b 5 b 4 b 3 b 2 b1 b 0
b 7 b 6 b 5 b 4 b 3 b 2 b1 b 0
0
Item
N O T E S :
N O T E S :
1 . I f t h e A D C O N 1 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 . I n r e p e a t m o d e , t h e B I T S b i t m u s t b e s e t t o “ 0 ” ( 8 - b i t m o d e ) .
3 . T h e
4 . I f t h e V C U T b i t i s r e s e t f r o m “ 0 ” ( V r e f u n c o n n e c t e d ) t o “ 1 ” ( V r e f c o n n e c t e d ) , w a i t f o r 1 µ s o r m o r e b e f o r e s t a r t i n g A / D
1 . I f t h e A D C O N 0 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
c o n v e r s i o n .
1
0
A D
0
f r e q u e n c y m u s t b e 1 0 M H z o r l e s s .
1
0
page 109 of 180
0
0
0
( 1 )
( 1 )
Input voltage on one pin selected by CH2 to CH0 bits is A/D converted repeatedly
Set ADST bit to “1”
Set ADST bit to “0”
None generated
One of AN
Read AD register
Bit symbol
B i t s y m b o l
( b 6 - b 7 )
( b 2 - b 0 )
B I T S
C K S 1
V C U T
A D S T
C K S 0
MD
C H 0
C H 1
CH2
(b4)
( b 5 )
S y m b o l
A D C O N 0
S y m b o l
A D C O N 1
8 / 1 0 - b i t m o d e s e l e c t
b i t
Frequency select
bit 1
V r e f c o n n e c t b i t
Reserved bit
Reserved bit
0
A n a l o g i n p u t p i n s e l e c t
b i t
A D o p e r a t i o n m o d e s e l e c t
b i t
R e s e r v e d b i t
R e s e r v e d b i t
A/D conversion start flag
F r e q u e n c y s e l e c t b i t 0
( 2 )
to AN
( 2 )
( 2 )
(3)
Bit name
B i t n a m e
7
, as selected
A d d r e s s
A d d r e s s
0 0 D 6
0 0 D 7
( 4 )
1 6
1 6
( 3 )
0 : 8-bit mode
0 : CKS0 bit in ADCON0 register is valid
1 : f
1 : Vref connected
M u s t s e t t o “ 0 ”
M u s t s e t t o “ 0 ”
Specification
0 0 0 0 0 X X X
AD
A f t e r r e s e t
A f t e r r e s e t
b 2 b 1 b 0
0 0 0 : A N
0 0 1 : A N
0 1 0 : A N
0 1 1 : A N
1 0 0 : A N
1 0 1 : A N
1 1 0 : A N
1 1 1 : A N
1 : Repeat mode
0 : f
1 : f
0 : A/D conversion disabled
1 : A/D conversion started
Must set to “0”
Must set to “0”
is selected
0 0
A D
A D
1 6
/ 4 i s s e l e c t e d
/ 2 i s s e l e c t e d
0
1
2
3
4
5
6
7
2
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
i s s e l e c t e d
Function
Function
R W
R W
RW
R W
R W
R W
R W
R W
R W
R W
R W
RW
R W
R W
R W
14.2 Repeat Mode