ATTINY85-20SU Atmel, ATTINY85-20SU Datasheet - Page 163
![IC AVR MCU 8K 20MHZ 8SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
ATTINY85-20SU
Manufacturer Part Number
ATTINY85-20SU
Description
IC AVR MCU 8K 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY85-20SU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
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)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Processor Series
ATTINY8x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
4-ch x 10-bit
For Use With
ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATTINY85-20SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Table 20-16. High-voltage Serial Programming Instruction Set for ATtiny25/45/85
2586M–AVR–07/10
Instruction
Chip Erase
Load “Write
Flash”
Command
Load Flash
Page Buffer
Load Flash
High Address
and Program
Page
Load “Read
Flash”
Command
Read Flash
Low and High
Bytes
Load “Write
EEPROM”
Command
Load
EEPROM
Page Buffer
Program
EEPROM
Page
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
SDI
SII
SDO
0_bbbb_bbbb _00
0_bbbb_bbbb_00
0_00bb_bbbb_00
0_1000_0000_00
0_0100_1100_00
0_0001_0000_00
0_0100_1100_00
0_0000_1100_00
0_0000_0000_00
0_0000_000a_00
0_0001_1100_00
0_0000_0010_00
0_0100_1100_00
0_0000_1100_00
0_0000_0000_00
0_0001_0001_00
0_0100_1100_00
0_0000_1100_00
0_0000_0000_00
0_0000_0000_00
0_0110_0100_00
0_0111_1100_00
0_0111_1000_00
0_0110_1100_00
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
Instr.1/5
p_pppp_pppx_xx
0_0000_0000_00
0_0110_0100_00
0_eeee_eeee_00
0_0010_1100_00
0_0000_0000_00
0_0110_0100_00
0_0000_000a_00
0_0001_1100_00
0_0000_0000_00
0_aaaa_aaaa_00
0_0001_1100_00
0_0000_0000_00
0_0111_1100_00
0_0110_1100_00
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
Instr.2/6
Instruction Format
0_dddd_dddd_00
0_0000_0000_00
0_0000_0000_00
0_0000_0000_00
0_eeee_eeee_00
0_0110_1100_00
0_0011_1100_00
0_0110_1100_00
0_0110_1000_00
0_0010_1100_00
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
Instr.3
q_qqqq_qqqx_xx
0_0000_0000_00
0_0000_0000_00
0_0000_0000_00
0_0111_1101_00
0_0110_1100_00
0_0110_1101_00
x_xxxx_xxxx_xx
x_xxxx_xxxx_xx
Instr.4
Operation Remarks
Wait after Instr.3 until SDO
goes high for the Chip Erase
cycle to finish.
Enter Flash Programming
code.
Repeat after Instr. 1 - 5 until
the entire page buffer is filled
or until all data within the
page is filled.
Wait after Instr 3 until SDO
goes high. Repeat Instr. 2 - 3
for each loaded Flash Page
until the entire Flash or all
data is programmed. Repeat
Instr. 1 for a new 256 byte
page.
Enter Flash Read mode.
Repeat Instr. 1, 3 - 6 for each
new address. Repeat Instr. 2
for a new 256 byte page.
Instr 5 - 6.
Enter EEPROM Programming
mode.
Repeat Instr. 1 - 5 until the
entire page buffer is filled or
until all data within the page is
filled.
Instr. 5
Wait after Instr. 2 until SDO
goes high. Repeat Instr. 1 - 2
for each loaded EEPROM
page until the entire
EEPROM or all data is
programmed.
Instr 5.
(3)
(2)
(2)
163
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