AT90S8515A-8JI Atmel, AT90S8515A-8JI Datasheet - Page 88
AT90S8515A-8JI
Manufacturer Part Number
AT90S8515A-8JI
Description
IC MCU 8K FLSH 8MHZ IT 44PLCC
Manufacturer
Atmel
Series
AVR® 90Sr
Datasheets
1.AT90S8515-4AC.pdf
(112 pages)
2.AT90S8515-4AC.pdf
(4 pages)
3.AT90S8515-4AC.pdf
(4 pages)
Specifications of AT90S8515A-8JI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Table 32. Serial Programming Instruction Set
Note:
88
Instruction
Programming Enable
Chip Erase
Read Program Memory
Write Program Memory
Read EEPROM Memory
Write EEPROM Memory
Write Lock Bits
Read Signature Bytes
1. The signature bytes are not readable in lock mode 3, i.e., both Lock bits programmed.
AT90S8515
a = address high bits
b = address low bits
H = 0 – Low byte, 1 – High Byte
o = data out
i = data in
x = don’t care
1 = Lock bit 1
2 = Lock bit 2
1010 1100
1010 1100
0010 H000
0100 H000
1010 0000
1100 0000
1010 1100
0011 0000
Byte 1
Figure 65. Serial Programming Waveforms
0101 0011
100x xxxx
xxxx aaaa
xxxx aaaa
xxxx xxxa
xxxx xxxa
111x x21x
xxxx xxxx
Byte 2
Instruction Format
xxxx xxxx
xxxx xxxx
bbbb bbbb
bbbb bbbb
bbbb bbbb
bbbb bbbb
xxxx xxxx
xxxx xxbb
Byte 3
xxxx xxxx
xxxx xxxx
oooo oooo
iiii iiii
oooo oooo
iiii iiii
xxxx xxxx
oooo oooo
Byte4
Operation
Enable serial programming while
RESET is low.
Chip Erase Flash and EEPROM
memory arrays.
Read H (high or low) data o from
program memory at word address a:b.
Write H (high or low) data i to program
memory at word address a:b.
Read data o from EEPROM memory at
address a:b.
Write data i to EEPROM memory at
address a:b.
Write Lock bits. Set bits 1,2 = “0” to
program Lock bits.
Read signature byte o at address b.
0841G–09/01
(1)
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