R5F21102DFP#U0 Renesas Electronics America, R5F21102DFP#U0 Datasheet - Page 159

• 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
Figure 17.4 FMR1 and FMR4
F l a s h m e m o r y c o n t r o l r e g i s t e r 1
0
b 7 b 6 b 5 b 4 b3 b 2 b 1 b 0
N O T E S :
F l a s h m e m o r y c o n t r o l r e g i s t e r 4
1 . T o s e t t h i s b i t t o “ 1 ” , w r i t e “ 0 ” a n d t h e n “ 1 ” i n s u c c e s s i o n w h e n t h e F M R 0 1 b i t = 1 . M a k e s u r e n o
b 7 b 6 b 5 b 4 b 3 b 2 b 1 b 0
0
N O T E S :
1 . T o s e t t h i s b i t t o “ 1 ” , w r i t e “ 0 ” a n d t h e n “ 1 ” i n s u c c e s s i o n . M a k e s u r e n o i n t e r r u p t s w i l l o c c u r b e f o r e
2 . T h i s b i t i s v a l i d o n l y w h e n t h e F M R 4 0 b i t i s s e t t o “ 1 ” ( v a l i d ) a n d c a n o n l y b e w r i t t e n b e f o r e e n d i n g a n
i n t e r r u p t s w i l l o c c u r b e f o r e w r i t i n g “ 1 ” a f t e r w r i t i n g “ 0 ” .
T h e F M R 0 1 a n d F M R 1 1 b i t s b o t h a r e s e t t o “ 0 ” b y s e t t i n g t h e F M R 0 1 b i t t o “ 0 ” .
w r i t i n g “ 1 ” a f t e r w r i t i n g “ 0 ” .
e r a s e a f t e r i s s u i n g a n e r a s e c o m m a n d . O t h e r t h a n t h i s p e r i o d , t h i s b i t i s s e t t o “ 0 ” .
I n E W 0 m o d e , t h i s b i t c a n b e s e t t o “ 0 ” a n d “ 1 ” b y p r o g r a m .
I n E W 1 m o d e , t h i s b i t i s a u t o m a t i c a l l y s e t t o “ 1 ” i f a m a s k a b l e i n t e r r u p t o c c u r s d u r i n g a n e r a s e o p e r a t i o n
w h i l e t h e F M R 4 0 b i t i s s e t t o “ 1 ” . T h i s b i t c a n n o t b e s e t t o “ 1 ” b y p r o g r a m . ( C a n b e s e t t o “ 0 ” . )
0
0
0
0
0
0
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Bit symbol
F M R 1 1
( b 3 - b 2 )
( b 5 - b 4 )
Bit symbol
FMR40
FMR41
( b 5 - b 2 )
FMR46
( b 0 )
( b 6 )
(b7)
(b7)
S y m b o l
S y m b o l
F M R 1
F M R 4
Reserved bit
R e s e r v e d b i t
R e s e r v e d b i t
EW1 mode select bit
N o t h i n g i s a s s i g n e d .
W h e n w r i t e , s e t t o “ 0 ” .
Reserved bit
R e s e r v e d b i t
R e a d s t a t u s f l a g
R e s e r v e d b i t
Erase-suspend function
enable bit
Erase-suspend request bit
(1)
B i t n a m e
Bit name
A d d r e s s
A d d r e s s
0 1 B 5
0 1 B 3
1 6
1 6
(1)
(2)
A f t e r r e s e t
0 1 0 0 0 0 0 0
0 1 0 0 X X 0 X
A f t e r r e s e t
0: Erase restart
1: Erase-suspend request
S e t t o “ 0 ”
0 : D i s a b l e r e a d i n g
1 : E n a b l e r e a d i n g
Set to “0”
0: Invalid
1: Valid
0: EW0 mode
1: EW1 mode
When read, its content is
indeterminate.
Set to “0”
Set to “0”
W h e n r e a d , i t s c o n t e n t i s
i n d e t e r m i n a t e .
2
2
F u n c t i o n
F u n c t i o n
17.4 CPU Rewrite Mode
R W
R W
RW
R W
R O
RO
R W
R W
RW
R O
R W
R O