R5F21133DFP RENESAS [Renesas Technology Corp], R5F21133DFP Datasheet - Page 43

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R5F21133DFP

Manufacturer Part Number
R5F21133DFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY/R8C/Tiny SERIES
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21133DFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
R8C/13 Group
Rev.1.20
REJ09B0111-0120
Figure 6.3 OCD Register
O s c i l l a t i o n s t o p d e t e c t i o n r e g i s t e r
0
b 7
N O T E S :
1 . 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 .
2 . T h e O C D 2 b i t i s s e t t o “ 1 ” ( s e l e c t i n g o n - c h i p o s c i l l a t o r c l o c k ) a u t o m a t i c a l l y i f a m a i n c l o c k o s c i l l a t i o n s t o p
3 . T h e O C D 3 b i t i s e n a b l e d w h e n t h e O C D 1 t o O C D 0 b i t s a r e s e t t o “ 1 1
4 . T h e O C D 1 t o O C D 0 b i t s s h o u l d b e s e t t o “ 0 0
5 . T h e O C D 3 b i t r e m a i n s s e t t o “ 0 ” ( m a i n c l o c k o n ) i f t h e O C D 1 t o O C D 0 b i t s a r e s e t t o “ 0 0
6 . T h e C M 1 4 b i t g o e s t o “ 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 ) i f t h e O C D 2 b i t i s s e t t o “ 1 ” ( o n - c h i p o s c i l l a t o r
7 . R e f e r t o F i g u r e 6 . 7 “ s w i t c h i n g c l o c k s o u r c e f r o m l o w - s p e e d o n - c h i p o s c i l l a t o r t o m a i n c l o c k ” f o r t h e
b 6
0
Jan 27, 2006
i s d e t e c t e d w h i l e t h e O C D 1 t o O C D 0 b i t s a r e s e t t o “ 1 1
t h e O C D 3 b i t i s s e t t o “ 1 ” ( m a i n c l o c k s t o p s ) , t h e O C D 2 b i t r e m a i n s u n c h a n g e d w h e n t r y i n g t o w r i t e “ 0 ”
( m a i n c l o c k s e l e c t e d ) .
e n a b l e d ) .
e n t e r i n g s t o p m o d e o r o n - c h i p o s c i l l a t o r ( m a i n c l o c k s t o p s ) .
c l o c k s e l e c t e d ) .
s w i t c h i n g p r o c e d u r e w h e n t h e m a i n c l o c k r e - o s c i l l a t e s a f t e r d e t e c t i n g a n o s c i l l a t i o n s t o p .
b 5
0
b 4
0
b 3
b 2
page 32 of 205
b 1
b 0
B i t s y m b o l
(b7-b4)
O C D 0
O C D 1
O C D 2
O C D 3
Symbol
OCD
( 1 )
O s c i l l a t i o n s t o p
d e t e c t i o n e n a b l e b i t
System clock select bit
C l o c k m o n i t o r b i t
Reserved bit
B i t n a m e
2
” ( o s c i l l a t i o n s t o p d e t e c t i o n f u n c t i o n d i s a b l e d ) b e f o r e
Address
000C
2
(3 , 5 )
” ( o s c i l l a t i o n s t o p d e t e c t i o n f u n c t i o n e n a b l e d ) . I f
16
(6)
A f t e r r e s e t
b 1 b 0
0 0: The function is disabled
0 1: Do not set
1 0: Do not set
1 1: The function is enabled
0: Select main clock
1: Select on-chip oscillator clock
0: Main clock on
1: Main clock off
S e t t o " 0 "
2
04
” ( o s c i l l a t i o n s t o p d e t e c t i o n f u n c t i o n
16
Function
6. Clock Generating Circuit
(7)
2
” .
(7)
(4)
(2)
R W
RW
R W
R W
R O

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