R5F21134DFP#U0 Renesas Electronics America, R5F21134DFP#U0 Datasheet - Page 44

• Manufacturer Part Number: R5F21134DFP#U0
• Description: IC R8C MCU FLASH 32LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/13r

Specifications of R5F21134DFP#U0

• Core Size: 16-Bit
• Program Memory Size: 16KB (16K x 8)
• Oscillator Type: Internal
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 22
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• No. Of I/o's: 22
• Eeprom Memory Size: 4KB
• Ram Memory Size: 1024Byte
• Cpu Speed: 20MHz
• No. Of Timers: 16
• Digital Ic Case: RoHS Compliant
• Controller Family/series: R8C/13
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K521134S000BE - KIT EVAL STARTER FOR R8C/13R0E521134EPB00 - KIT EMULATOR PROBE FOR PC7501R0E521134CPE00 - EMULATOR COMPACT R8C/13
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

R8C/13 Group
Rev.1.20
REJ09B0111-0120
Figure 6.4 HR0 Register and HR1 Register
H i g h - s p e e d o n - c h i p o s c i l l a t o r c o n t r o l r e g i s t e r 1
b 7
H i g h - s p e e d o n - c h i p o s c i l l a t o r c o n t r o l r e g i s t e r 0
b 7
0 0
0
N O T E S :
NOTES:
1 . T h e H R 0 1 b i t s h o u l d b e c h a n g e d u n d e r t h e f o l l o w i n g c o n d i t i o n s .
2 . W h e n w r i t i n g “ 0 ” ( l o w - s p e e d o n - c h i p o s c i l l a t o r s e l e c t e d ) t o t h e H R 0 1 b i t , d o n o t w r i t e “ 0 ” ( h i g h - s p e e d o n - c h i p o s c i l l a t o r s t o p s ) t o
3 . S e t t h e P R C 0 b i t i n t h e P R C R r e g i s t e r t o “ 1 ” ( w r i t e e n a b l e ) b e f o r e r e w r i t i n g t h i s r e g i s t e r .
b 6
1. Set the PRC0 bit in the PRCR register to “1” (write enable) before rewriting this register.
b 6
Jan 27, 2006
t h e H R 0 0 b i t s i m u l t a n e o u s l y . S e t t h e H R 0 0 b i t t o “ 0 ” a f t e r s e t t i n g t h e H R 0 1 b i t t o “ 0 ” .
• H R 0 0 = 1 ( h i g h - s p e e d o n - c h i p o s c i l l a t o r o n )
• C M 1 r e g i s t e r C M 1 4 b i t = 0 ( l o w - s p e e d o n - c h i p o s c i l l a t o r o n )
b 5
b 5
0
b 4
b 4
0 0
b 3
b 3
b 2
b 2
0 0
b 1
b 1
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b0
b 0
B i t s y m b o l
T h e f r e q u e n c y o f h i g h - s p e e d o n - c h i p o s c i l l a t o r i s a d j u s t e d w i t h b i t s 0 t o b i t s 6 .
P e r i o d o f h i g h - s p e e d o n - c h i p o s c i l l a t o r
B i t 7 s h o u l d b e s e t t o “ 0 ” .
( b 7 - b 2 )
H R 0 0
H R 0 1
= t d ( H R o f f s e t ) + ( 6 4
S y m b o l
S y m b o l
H R 1
H R 0
High-speed on-chip
oscillator select bit
H i g h - s p e e d o n - c h i p
o s c i l l a t o r e n a b l e b i t
Reserved bit
Bit name
b 6 + 3 2
A d d r e s s
A d d r e s s
0 0 0 B
0 0 0 8
( 1 )
(1)
( 3 )
1 6
1 6
b 5 + 1 6
A f t e r r e s e t
A f t e r r e s e t
Function
0 : H i g h - s p e e d o n - c h i p o s c i l l a t o r o f f
1 : H i g h - s p e e d o n - c h i p o s c i l l a t o r o n
0 : L o w - s p e e d o n - c h i p o s c i l l a t o r s e l e c t e d
1 : H i g h - s p e e d o n - c h i p o s c i l l a t o r s e l e c t e d
S e t t o
4 0
0 0
1 6
b 4 + 8
1 6
“ 0 ”
b 3 + 4
F u n c t i o n
b 2 + 2
b 1 + b 0 )
6. Clock Generating Circuit
( 2 )
t d ( H R )
RW
RW
R W
R W
R W
R W