AT89LP51ED2 Atmel Corporation, AT89LP51ED2 Datasheet - Page 121
AT89LP51ED2
Manufacturer Part Number
AT89LP51ED2
Description
Manufacturer
Atmel Corporation
Specifications of AT89LP51ED2
Flash (kbytes)
64 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)
2.25
Eeprom (bytes)
4096
Self Program Memory
API
Operating Voltage (vcc)
2.4 to 5.5
Timers
4
Isp
SPI/OCD/UART
Watchdog
Yes
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Figure 17-4. Serial Port Mode 0 (Two-Wire)
3714A–MICRO–7/11
SEND
SHIFT
RXD
TXD
TI
RI
RECEIVE
SHIFT
RXD
TXD
O VERF L O W
(SHIFT CLOCK)
(SHIFT CLOCK)
( D A T A OUT )
( D A T A IN )
TIMER 1
WRITE T O S B U F
WRITE T O SCON (CLEAR RI )
TB8
SMOD1
1
÷2
÷2
0
0
f
sys
1
“1“
INTERNAL B U S
INTERNAL B U S
AT89LP51RD2/ED2/ID2 Preliminary
SM2
121
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