AT89LP51RC2 Atmel Corporation, AT89LP51RC2 Datasheet - Page 21
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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3722A–MICRO–10/11
Figure 3-12. Compatibility Mode External Data Memory Read Cycle (WS0 = 0)
Figure 3-13. MOVX with One Wait State (WS = 01B)
Figure 3-14. MOVX with Two Wait States (WS = 10B)
CLK
ALE
CLK
ALE
WR
WR
RD
RD
P2
P0
P0
P2
P0
P0
P2 SFR
P0 SFR
P0 SFR
P2 SFR
P0 SFR
P0 SFR
CLK
ALE
RD
P0
P2
S1
S1
P0 SFR
P2 SFR
PCH or
DPL OUT
DPL OUT
DPL OUT
DPL OUT
S4
S2
S2
DPL or Ri
S5
OUT
S3
S3
DPH or P2 OUT
AT89LP51RB2/RC2/IC2 Preliminary
DPH or P2 OUT
DATA OUT
FLOAT
S6
W1
W1
DATA OUT
FLOAT
DATA SAMPLED
S1
W2
S4
DPH or P2 OUT
P2 SFR
P0 SFR
P0 SFR
FLOAT
S2
S4
P2 SFR
P0 SFR
P0 SFR
S3
S4
S5
P0 SFR
P2 SFR
PCH or
PCL or
21
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