R5F21122FP#U0 Renesas Electronics America, R5F21122FP#U0 Datasheet - Page 51

• 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 10.3 Interrupt Control Registers
I n t e r r u p t c o n t r o l r e g i s t e r
b 7
b 7
Jan 27, 2006
N O T E S :
1 . O n l y " 0 " c a n b e w r i t t e n t o t h e I R b i t . ( D o n o t w r i t e " 1 " ) .
2 . T o r e w r i t e t h e i n t e r r u p t c o n t r o l r e g i s t e r , d o s o a t a p o i n t t h a t d o e s n o t g e n e r a t e t h e i n t e r r u p t r e q u e s t f o r t h a t r e g i s t e r .
3 . I f t h e I N T O P L b i t i n t h e I N T E N r e g i s t e r i s s e t t o “ 1 ” ( b o t h e d g e s ) , s e t t h e P O L b i t t o " 0 " ( s e l e c t i n g f a l l i n g e d g e ) .
4 . T h e I R b i t m a y b e s e t t o “ 1 ” ( i n t e r r u p t r e q u e s t e d ) w h e n t h e P O L b i t i s r e w r i t t e n . R e f e r t o t h e p a r a g r a p h 1 9 . 2 . 5
b 6
b 6
“ C h a n g i n g I n t e r r u p t F a c t o r ” .
R e f e r t o t h e p a r a g r a p h 1 9 . 2 . 6 “ C h a n g i n g I n t e r r u p t C o n t r o l R e g i s t e r s ” .
b 5
b 5
0
b 4
b 4
b 3
b 3
b2
b2
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b 1
b 1
b 0
b 0
B i t s y m b o l
Bit symbol
( 2 )
(b7-b6)
(b7-b4)
I L V L 0
ILVL1
ILVL2
ILVL1
ILVL2
ILVL0
POL
( b 5 )
IR
IR
KUPIC
ADIC
S0TIC, S1TIC
S0RIC, S1RIC
INT2IC
TXIC
TYIC
TZIC
INT1IC
INT3IC
TCIC
S y m b o l
I N T 0 I C
Symbol
I n t e r r u p t p r i o r i t y l e v e l
s e l e c t b i t
Interrupt request bit
Interrupt priority level
select bit
Interrupt request bit
Polarity select bit
Reserved bit
Nothing is assigned.
When write, set to “0”. When read, its content is indeterminate.
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 ” . 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 .
B i t n a m e
Bit name
A d d r e s s
0 0 5 D
(3, 4)
1 6
004D
004E
0051
0052
0055
0056
0057
0058
0059
005A
005B
16
16
16
16
16
16
16
Address
16
16
16
16
b 2 b 1 b 0
0 0 0 : Level 0 (interrupt disabled)
0 0 1 : Level 1
0 1 0 : Level 2
0 1 1 : Level 3
1 0 0 : Level 4
1 0 1 : Level 5
1 1 0 : Level 6
1 1 1 : Level 7
, 0053
, 0054
0 : I n t e r r u p t n o t r e q u e s t e d
1 : I n t e r r u p t r e q u e s t e d
b2 b1 b0
0: Interrupt not requested
1: Interrupt requested
0 : Selects falling edge
1 : Selects rising edge
Set to “0”
0 0 0 : L e v e l 0 ( i n t e r r u p t d i s a b l e d )
0 0 1 : L e v e l 1
0 1 0 : L e v e l 2
0 1 1 : L e v e l 3
1 0 0 : L e v e l 4
1 0 1 : L e v e l 5
1 1 0 : L e v e l 6
1 1 1 : L e v e l 7
X X 0 0 X 0 0 0
A f t e r r e s e t
16
16
F u n c t i o n
F u n c t i o n
2
XXXXX000
XXXXX000
XXXXX000
XXXXX000
XXXXX000
XXXXX000
XXXXX000
XXXXX000
XXXXX000
XXXXX000
XXXXX000
After reset
10.1 Interrupt Overview
2
2
2
2
2
2
2
2
2
2
2
R W
RW
R W
R W
R W
R W
R W
R W
R W
R W
RW
R W
(1 )
(1)