AT89LP828-20MH Atmel, AT89LP828-20MH Datasheet - Page 89
AT89LP828-20MH
Manufacturer Part Number
AT89LP828-20MH
Description
MCU 8051 8K FLASH SPI 32VQFN
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP428-20AU.pdf
(149 pages)
Specifications of AT89LP828-20MH
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
30
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89LP828-20MH
Manufacturer:
Atmel
Quantity:
720
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Figure 16-6. Serial Port Mode 3
3654A–MICRO–8/09
SHIFT
TXD
TI
STOP BIT GEN
DATA
CLOCK
OVERFLOW
SMOD1
TIMER 1
TX
BIT DETECTOR SAMPLE TIMES
WRITE TO SBUF
RCLK
TCLK
RI
÷2
SHIFT
“0”
START BIT
RXD
CLOCK
RX
“0”
“0”
SEND
“1”
OVERFLOW
TIMER 2
“1”
“1”
RXD
D0
WRITE
SAMPLE
SBUF
TO
TRANSITION
DETECTOR
INTERRUPT
START BIT
1-TO-0
÷16 RESET
D1
÷16
SERIAL
PORT
D2
D0
START
START
RX CLOCK
DETECTOR
÷16
D
CL
TB8
RX CLOCK
S
BIT
Q
D3
STOP BIT
D1
ZERO DETECTOR
RX CONTROL
TX CONTROL
READ
SBUF
RI
TI
INTERNAL BUS
LOAD
SBUF
D4
D2
SBUF
SHIFT
INTERNAL BUS
INPUT SHIFT REG.
SEND
SHIFT
1FFH
LOAD
SBUF
D5
DATA
SBUF
(9 BITS)
D3
D6
D4
SHIFT
D7
D5
TB8
D6
AT89LP428/828
TXD
STOP BIT
D7
RB8
STOP
BIT
89
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