AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 60
AT89LP51RC2
Manufacturer Part Number
AT89LP51RC2
Description
Manufacturer
Atmel Corporation
Specifications of AT89LP51RC2
Flash (kbytes)
32 Kbytes
Max. Operating Frequency
20 MHz
Cpu
8051-1C
Max I/o Pins
42
Spi
1
Twi (i2c)
1
Uart
1
Adc Channels
7
Adc Resolution (bits)
10
Adc Speed (ksps)
153.8
Sram (kbytes)
1.375
Self Program Memory
API
Operating Voltage (vcc)
2.4 to 5.5
Timers
4
Isp
SPI/OCD/UART
Watchdog
Yes
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AT89LP51RB2/RC2/IC2 Preliminary
Table 9-2.
Figure 9-1.
PCA IT
KBD IT
MODF
EXF2
TWIF
ADIF
INT0
INT1
SPIF
CFB
TXE
CFA
TF0
TF1
TF2
RI
TI
IPH.x
Priority Level Bit Values
Interrupt Control Subsystem
0
0
1
1
IT0
IT1
Individual Enable
IE0
IE1
ECMP
EKBD
EADC
ETWI
ESPI
EX0
ET0
EX1
ET1
ET2
EC
ES
IEN1, IEN0
IPL.x
IPHx, IPLx
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
EA
0
1
0
1
Global Disable
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
3
0
Interrupt Priority Level
High Priority
Interrupt
3 (Highest)
0 (Lowest)
Low Priority
Interrupt
1
2
3722A–MICRO–10/11
Interrupt Polling
Sequence,
Decreasing from
High to Low
Priority
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