AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 161
AT89LP6440-20PU
Manufacturer Part Number
AT89LP6440-20PU
Description
MCU 8051 64K FLASH ISP 40PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP6440-20MU.pdf
(194 pages)
Specifications of AT89LP6440-20PU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
38
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
8K x 8
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 25-4. Command Sequence Flow Chart
Figure 25-5. ISP Command Packet (Serial)
Figure 25-6. ISP Command Packet (Parallel)
3706A–MICRO–9/09
MOSI
MISO
SCK
SCK
SS
OE
OE
SS
P0
P0
Preamble 1
AAh
AAh
X
For a summary of available commands, see
Preamble 2
55h
55h
X
Input Preamble 1
Input Preamble 2
Input Address
Input Address
Input Opcode
Input/Output
High Byte
Low Byte
(AAh)
(55h)
Data
7
6 5 4 3 2 1
Opcode
Opcode
Opcode
X
0
WRITE
READ
7
Address High
Address High
6 5 4 3 2 1
Address +1
Address High
Table 25-2 on page
X
AT89LP6440 - Preliminary
0
7
Address Low
Address Low
6 5 4 3 2 1
Address Low
X
162.
0
7
7
Data In
6 5 4 3 2 1
6 5 4 3 2 1
Data Out
Data In
Data Out
0
0
161
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