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AT89LP51RB2 Datasheet(PDF) 60 Page - ATMEL Corporation

Part # AT89LP51RB2
Description  8-bit Microcontroller Compatible with 8051 Products
PDF  254 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT89LP51RB2 Datasheet(HTML) 60 Page - ATMEL Corporation

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3722A–MICRO–10/11
AT89LP51RB2/RC2/IC2 Preliminary
Figure 9-1.
Interrupt Control Subsystem
Table 9-2.
Priority Level Bit Values
IPH.x
IPL.x
Interrupt Priority Level
0
0
0 (Lowest)
01
1
10
2
1
1
3 (Highest)
TF0
EA
INT0
IPHx, IPLx
IEN1, IEN0
EA
EA
EA
EA
EA
EA
EA
IT0
IE0
INT1
IT1
IE1
TF1
PCA IT
RI
TI
TF2
EXF2
KBD IT
EA
EA
TWIF
SPIF
MODF
TXE
EA
EA
CFA
CFB
ADIF
EX0
ET0
EX1
ET1
EC
ES
ET2
EKBD
ETWI
ESPI
ECMP
EADC
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
High Priority
Interrupt
Low Priority
Interrupt
Global Disable
Individual Enable
Interrupt Polling
Sequence,
Decreasing from
High to Low
Priority



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