R5F21122FP#U0 Renesas Electronics America, R5F21122FP#U0 Datasheet - Page 30

• 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 6.1 Clock Generation Circuit
I n t e r r u p t r e q u e s t l e v e l
j u d g m e n t o u t p u t
R E S E T
Jan 27, 2006
O s c i l l a t i o n s t o p d e t e c t i o n c i r c u i t
C M 0 2 , C M 0 5 , C M 0 6 : C M 0 r e g i s t e r b i t s
C M 1 0 , C M 1 3 , C M 1 4 , C M 1 6 , C M 1 7 : C M 1 r e g i s t e r b i t s
O C D 0 , O C D 1 , O C D 2 : O C D r e g i s t e r b i t s
M a i n c l o c k
C M 1 0 = 1 ( S t o p m o d e )
N O T E S :
1 . S e t t h e s a m e v a l u e t o t h e O C D 1 b i t a n d O C D 0 b i t .
W A I T i n s t r u c t i o n
page 18 of 181
P u l s e g e n e r a t i o n
c i r c u i t f o r c l o c k
e d g e d e t e c t i o n
a n d c h a r g e ,
d i s c h a r g e c o n t r o l
c i r c u i t
S
S
R
R
R
F o r c i b l e d i s c h a r g e w h e n O C D 0
Q
Q
C h a r g e ,
d i s c h a r g e
c i r c u i t
C M 0 5
X
I N
O C D 1
C M 0 2
(1 )
C M 1 4
a
C M 1 3
c l o c k
M a i n
C M 0 6 = 0
C M 1 7 t o C M 1 6 = 0 0
(1 )
X
O s c i l l a t i o n s t o p
d e t e c t i o n i n t e r r u p t
g e n e r a t i o n c i r c u i t
O U T
1 / 2
O n - c h i p
o s c i l l a t o r
c l o c k
O n - c h i p
o s c i l l a t o r
O s c i l l a t i o n
s t o p
d e t e c t i o n
W a t c h d o g
t i m e r
i n t e r r u p t
e
C M 0 6 = 0
C M 1 7 t o C M 1 6 = 0 1
O C D 2 b i t s w i t c h s i g n a l
C M 1 4 b i t s w i t c h s i g n a l
2
O C D 2 = 1
O C D 2 = 0
1 / 2
C M 0 6 = 0
C M 1 7 t o C M 1 6 = 1 0
2
1 / 2
a
e
1 / 1 2 8
D i v i d e r
b
b
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 ,
w a t c h d o g t i m e r
i n t e r r u p t
f
C M 0 6 = 1
f
A D
c
1
d
1 / 2
f
f
3 2
6. Clock Generation Circuit
8
f
f
f
R I N G
f
2
R I N G 1 2 8
1 S I O
D e t a i l s o f d i v i d e r
f
f
8 S I O
3 2 S I O
C M 0 6 = 0
C M 1 7 t o C M 1 6 = 1 1
1 / 2
P e r i p h e r a l
f u n c t i o n c l o c k
C P U c l o c k
c
d
2