R5F21122FP#U0 Renesas Electronics America, R5F21122FP#U0 Datasheet - Page 86

• 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 12.20 PREZ Register, TZSC Register, TZPR Register, and TYZOC Register
Jan 27, 2006
N O T E S :
b 7
b 7
b 7
P r e s c a l e r Z r e g i s t e r
T i m e r Z S e c o n d a r y r e g i s t e r
Timer Z Primary register
1 . E a c h v a l u e i n t h e T Z P R r e g i s t e r a n d T Z S C r e g i s t e r i s r e l o a d e d t o t h e c o u n t e r a l t e r n a t e l y f o r c o u n t i n g .
N O T E S :
T i m e r Y , Z o u t p u t c o n t r o l r e g i s t e r
b 7 b 6 b 5 b 4 b3 b 2 b 1 b 0
1 . E a c h v a l u e i n t h e T Z P R r e g i s t e r a n d T Z S C r e g i s t e r i s r e l o a d e d t o t h e c o u n t e r a l t e r n a t e l y f o r c o u n t i n g .
2 . T h e c o u n t v a l u e c a n b e r e a d o u t b y r e a d i n g t h e T Z S C r e g i s t e r e v e n w h e n t h e s e c o n d a r y p e r i o d i s b e i n g
N O T E S :
1 . T h i s b i t i s s e t t o " 0 " w h e n t h e o u t p u t o f o n e - s h o t w a v e f o r m i s c o m p l e t e d . T h e T Z O S b i t s h o u l d b e s e t t o " 0 " i f t h e
2 . T h i s b i t i s e n a b l e d o n l y w h e n o p e r a t i n g i n p r o g r a m m a b l e w a v e f o r m g e n e r a t i o n m o d e .
3 . I f e x e c u t i n g a n i n s t r u c t i o n w h i c h c h a n g e s t h i s r e g i s t e r w h e n t h e T Z O S b i t i s “ 1 ” ( d u r i n g t h e c o u n t ) , t h e T Z O S i s
page 74 of 181
c o u n t e d .
a u t o m a t i c a l l y s e t t o “ 0 ” w h e n t h e c o u n t c o m p l e t e s w h i l e t h e i n s t r u c t i o n i s e x e c u t e d . I f t h i s c a u s e s s o m e p r o b l e m s ,
e x e c u t e a n i n s t r u c t i o n w h i c h c h a n g e s t h i s r e g i s t e r w h e n t h e T Z O S b i t i s “ 0 ” ( o n e s h o t s t o p ) .
o n e - s h o t w a v e f o r m o u t p u t i s t e r m i n a t e d b y s e t t i n g t h e T Z S b i t i n t h e T Y Z M R t o " 0 " d u r i n g t h e w a v e f o r m o u t p u t .
B i t s y m b o l
P r o g r a m m a b l e
w a v e f o r m
g e n e r a t i o n m o d e
P r o g r a m m a b l e
w a v e f o r m
g e n e r a t i o n m o d e
T i m e r m o d e
P r o g r a m m a b l e
o n e - s h o t
g e n e r a t i o n m o d e
P r o g r a m m a b l e w a i t
o n e - s h o t g e n e r a t i o n
m o d e
T i m e r m o d e
P r o g r a m m a b l e
o n e - s h o t
g e n e r a t i o n m o d e
P r o g r a m m a b l e w a i t
o n e - s h o t g e n e r a t i o n
m o d e
P r o g r a m m a b l e
w a v e f o r m
g e n e r a t i o n m o d e
P r o g r a m m a b l e w a i t
o n e - s h o t g e n e r a t i o n
m o d e
T Z O S
Timer mode
P r o g r a m m a b l e
o n e - s h o t
g e n e r a t i o n m o d e
T Y O C N T
T Z O C N T
( b 7 - b 3 )
Symbol
TYZOC
M o d e
M o d e
Mode
T i m e r Z p r o g r a m m a b l e
w a v e f o r m g e n e r a t i o n
o u t p u t s w i t c h i n g b i t
Timer Z one-shot
start bit
Timer Y programmable
waveform generation
output switching bit
Nothing is assigned.
When write, set to "0". When read, its content is "0".
b 0
b 0
b 0
( 3 )
Bit name
(1)
S y m b o l
S y m b o l
Symbol
I n t e r n a l c o u n t s o u r c e o r T i m e r Y
u n d e r f l o w i s c o u n t e d
Internal count source or Timer Y
underflow is counted
I n t e r n a l c o u n t s o u r c e o r T i m e r Y
u n d e r f l o w i s c o u n t e d
U n d e r f l o w o f
P r e s c a l e r Z i s c o u n t e d
Invalid
U n d e r f l o w o f P r e s c a l e r Z i s
c o u n t e d
Underflow of
Prescaler Z is counted
Underflow of Prescaler Z is
counted
U n d e r f l o w o f P r e s c a l e r Z i s
c o u n t e d
P R E Z
I n t e r n a l c o u n t s o u r c e o r T i m e r Y
u n d e r f l o w i s c o u n t e d
T Z S C
I n v a l i d
TZPR
U n d e r f l o w o f P r e s c a l e r Z i s
c o u n t e d
( O n e - s h o t w i d t h i s c o u n t e d )
(One-shot width is counted)
( W a i t p e r i o d i s c o u n t e d )
Address
008A
( 2 )
16
(2)
Function
Function
Function
0 : O u t p u t s p r o g r a m m a b l e w a v e f o r m
1 : O u t p u t s t h e v a l u e o f P 3
0 : Stops one-shot
1 : Starts one-shot
0 : O u t p u t s p r o g r a m m a b l e w a v e f o r m
1 : O u t p u t s t h e v a l u e o f P 3
After reset
A d d r e s s
A d d r e s s
Address
( 1 )
(1)
0 0 8 5
0 0 8 6
0087
00
16
1 6
1 6
16
Function
Setting range
Setting range
Setting range
0 0
00
0 0
00
0 0
00
A f t e r r e s e t
0 0
0 0
A f t e r r e s e t
After reset
0 0
0 0
2
1
1 6
1 6
1 6
16
1 6
16
1 6
1 6
1 6
16
F F
F F
FF
p o r t r e g i s t e r
p o r t r e g i s t e r
t o F F
t o F F
t o F F
to FF
t o F F
to FF
t o F F
t o F F
t o F F
to FF
1 6
1 6
16
1 6
16
1 6
16
1 6
16
1 6
1 6
1 6
1 6
W O
R W
RW
R W
R W
RW
R W
R W
R W
RW
RW
WO
RW
RW
RW
R W
RW
( 2 )
12.3 Timer (Timer Z)