AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 20
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
Figure 3-9.
Figure 3-10.
Figure 3-11. Compatibility Mode External Data Memory Write Cycle (WS0 = 0)
CLK
CLK
ALE
ALE
WR
RD
CLK
ALE
P0
P2
P0
P2
WR
P0
P2
Fast Mode External Data Memory Write Cycle (WS = 00B)
Fast Mode External Data Memory Read Cycle (WS = 00B)
P0 SFR
P2 SFR
PCH or
S4
P0 SFR
P2 SFR
P0 SFR
P2 SFR
S1
S1
DPL or Ri
OUT
S5
DPL or Ri OUT
DPL or Ri OUT
S6
S2
S2
S1
DPH or P2 OUT
DATA OUT
DATA SAMPLED
DPH or P2 OUT
DPH or P2 OUT
S2
S3
S3
FLOAT
S3
DATA OUT
S4
S4
S4
P2 SFR
PCH or
P0 SFR
PCL or
S5
3722A–MICRO–10/11
P0 SFR
P2 SFR
P0 SFR
P2 SFR
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