AT89LP2052-16PI Atmel, AT89LP2052-16PI Datasheet - Page 37
AT89LP2052-16PI
Manufacturer Part Number
AT89LP2052-16PI
Description
IC 8051 MCU FLASH 2K 20DIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP2052-20PU.pdf
(94 pages)
Specifications of AT89LP2052-16PI
Core Processor
8051
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89LP2052-20PI
AT89LP2052-20PI
AT89LP2052-20PI
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Figure 18-2. Serial Port Mode 1
3547J–MICRO–10/09
SMOD1
= 0
OVERFLOW
TIMER 1
SHIFT
TXD
TI
DATA
CLOCK
÷2
TX
BIT DETECTOR SAMPLE TIMES
WRITE TO SBUF
SHIFT
RI
SMOD1
= 1
RXD
START BIT
CLOCK
RX
SEND
RXD
WRITE
SAMPLE
SBUF
D0
TO
TRANSITION
DETECTOR
INTERRUPT
1-TO-0
÷16 RESET
START BIT
÷16
D1
SERIAL
PORT
START
D2
START
RX CLOCK
DETECTOR
D0
÷16
D
CL
“1”
RX CLOCK
S
BIT
Q
D3
D1
ZERO DETECTOR
RX CONTROL
TX CONTROL
READ
SBUF
RI
TI TI
INTERNAL BUS
LOAD
SBUF
D4
SBUF
D2
SHIFT
INTERNAL BUS
INPUT SHIFT REG.
1FFH
SEND
SHIFT
DATA
LOAD
SBUF
SBUF
D5
(9 BITS)
D3
D6
D4
SHIFT
D7
D5
AT89LP2052/LP4052
D6
TXD
STOP BIT
D7
STOP BIT
37
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