- •Features
- •Pin Configuration
- •Description
- •Block Diagram
- •Pin Descriptions
- •Port A (PA7..PA0)
- •Port B (PB7..PB0)
- •Port C (PC7..PC0)
- •Port D (PD7..PD0)
- •Port E (PE2..PE0)
- •RESET
- •XTAL1
- •XTAL2
- •Crystal Oscillator
- •EEPROM Data Memory
- •SRAM Data Memory
- •I/O Direct
- •Data Direct
- •Data Indirect with Displacement
- •Data Indirect
- •l/O Memory
- •Status Register – SREG
- •Stack Pointer – SP
- •Reset Sources
- •Power-on Reset
- •External Reset
- •Brown-out Detection
- •Watchdog Reset
- •Interrupt Handling
- •Interrupt Response Time
- •External Interrupts
- •Sleep Modes
- •Idle Mode
- •Power-down Mode
- •Power-save Mode
- •Timer/Counters
- •Timer Counter0 – TCNT0
- •Timer/Counter2 – TCNT2
- •Timer/Counter1
- •Timer/Counter1 in PWM Mode
- •Watchdog Timer
- •SS Pin Functionality
- •Data Modes
- •SPI Control Register – SPCR
- •SPI Status Register – SPSR
- •SPI Data Register – SPDR
- •UARTs
- •Data Transmission
- •Data Reception
- •UART Control
- •Baud Rate Generator
- •Analog Comparator
- •Interface to External Memory
- •I/O Ports
- •Port A
- •Port A Data Register – PORTA
- •Port A as General Digital I/O
- •Port A Schematics
- •Port B
- •Port B Data Register – PORTB
- •Port B as General Digital I/O
- •Port B Schematics
- •Port C
- •Port C Data Register – PORTC
- •Port C as General Digital I/O
- •Port C Schematics
- •Port D
- •Port D Data Register – PORTD
- •Port D as General Digital I/O
- •Alternate Functions of Port D
- •Port D Schematics
- •Port E
- •Port E Data Register – PORTE
- •Port E as General Digital I/O
- •Alternate Functions of Port E
- •Port E Schematics
- •Boot Loader Support
- •Setting the Boot Loader Lock Bits by SPM
- •Performing Page Erase by SPM
- •Fill the Temporary Buffer
- •Perform a Page Write
- •Reading the Fuse and Lock Bits from Software
- •Fuse Bits
- •Signature Bytes
- •Parallel Programming
- •Signal Names
- •Enter Programming Mode
- •Chip Erase
- •Programming the Flash
- •Programming the EEPROM
- •Reading the Flash
- •Reading the EEPROM
- •Programming the Fuse Bits
- •Programming the Lock Bits
- •Reading the Signature Bytes
- •Serial Downloading
- •Data Polling Flash
- •Data Polling EEPROM
- •Electrical Characteristics
- •Absolute Maximum Ratings*
- •External Data Memory Timing
- •Ordering Information
- •Packaging Information
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ATmega161(L) |
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Ordering Information |
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Speed (MHz) |
Power Supply |
Ordering Code |
Package |
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Operation Range |
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4 |
2.7 - 5.5V |
ATmega161-4AC |
44A |
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Commercial |
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ATmega161-4PC |
40P6 |
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(0°C to 70°C) |
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ATmega161-4AI |
44A |
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Industrial |
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ATmega161-4PI |
40P6 |
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(-40°C to 85°C) |
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8 |
4.0 - 5.5V |
ATmega161-8AC |
44A |
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Commercial |
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ATmega161-8PC |
40P6 |
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(0°C to 70°C) |
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ATmega161-8AI |
44A |
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Industrial |
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ATmega161-8PI |
40P6 |
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(-40°C to 85°C) |
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Package Type |
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44A |
44-lead, Thin (1.0 mm) Plastic Quad Flat Package (TQFP) |
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40P6 |
40-lead, 0.600" Wide, Plastic Dual Inline Package (PDIP) |
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147
1228B–09/01
Packaging Information
44A
44A, 44-lead, Thin (1.0mm) Plastic Quad Flat Package (TQFP), 10x10mm body, 2.0mm footprint, 0.8mm pitch. Dimension in Millimeters and (Inches)*
JEDEC STANDARD MS-026 ACB
PIN 1 ID |
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12.25(0.482) SQ |
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11.75(0.462) |
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PIN 1 |
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0.45(0.018) |
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0.80(0.0315) BSC |
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0.30(0.012) |
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10.10(0.394) SQ 9.90(0.386)
1.20(0.047) MAX
0.20(0.008) 0˚~7˚ 0.09(0.004)
0.75(0.030) 0.15(0.006) 0.45(0.018) 0.05(0.002)
*Controlling dimension: millimetter
REV. A 04/11/2001
148 ATmega161(L)
1228B–09/01
ATmega161(L)
40P6
40P6, 40-lead, Plastic Dual Inline Parkage (PDIP), 0.600" wide Demension in Millimeters and (Inches)* JEDEC STANDARD MS-011 AC
52.71(2.075)
51.94(2.045) PIN 1
13.97(0.550)
13.46(0.530)
48.26(1.900) REF
4.83(0.190)MAX
SEATING
PLANE
3.56(0 |
.140) |
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0.38(0.015)MIN |
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3.05(0.120) |
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0.56(0.022) |
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1.65(0.065) |
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0.38(0.015) |
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2.54(0.100)BSC |
1.27(0.050) |
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15.88(0.625) |
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15.24(0.600) |
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0.38(0.015) |
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0º ~ 15º REF |
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0.20(0.008) |
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17.78(0.700)MAX |
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*Controlling dimension: Inches |
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REV. A 04/11/2001
149
1228B–09/01
Atmel Headquarters
Corporate Headquarters
2325 Orchard Parkway
San Jose, CA 95131
TEL (408) 441-0311
FAX (408) 487-2600
Europe
Atmel SarL
Route des Arsenaux 41 Casa Postale 80 CH-1705 Fribourg Switzerland
TEL (41) 26-426-5555 FAX (41) 26-426-5500
Asia
Atmel Asia, Ltd.
Room 1219
Chinachem Golden Plaza
77 Mody Road Tsimhatsui
East Kowloon
Hong Kong
TEL (852) 2721-9778
FAX (852) 2722-1369
Japan
Atmel Japan K.K.
9F, Tonetsu Shinkawa Bldg.
1-24-8 Shinkawa
Chuo-ku, Tokyo 104-0033
Japan
TEL (81) 3-3523-3551
FAX (81) 3-3523-7581
Atmel Product Operations
Atmel Colorado Springs
1150 E. Cheyenne Mtn. Blvd.
Colorado Springs, CO 80906
TEL (719) 576-3300
FAX (719) 540-1759
Atmel Grenoble
Avenue de Rochepleine BP 123
38521 Saint-Egreve Cedex, France TEL (33) 4-7658-3000
FAX (33) 4-7658-3480
Atmel Heilbronn
Theresienstrasse 2
POB 3535
D-74025 Heilbronn, Germany
TEL (49) 71 31 67 25 94
FAX (49) 71 31 67 24 23
Atmel Nantes
La Chantrerie
BP 70602
44306 Nantes Cedex 3, France
TEL (33) 0 2 40 18 18 18
FAX (33) 0 2 40 18 19 60
Atmel Rousset
Zone Industrielle
13106 Rousset Cedex, France
TEL (33) 4-4253-6000
FAX (33) 4-4253-6001
Atmel Smart Card ICs
Scottish Enterprise Technology Park
East Kilbride, Scotland G75 0QR
TEL (44) 1355-357-000
FAX (44) 1355-242-743
e-mail literature@atmel.com
Web Site
http://www.atmel.com
BBS
1-(408) 436-4309
© Atmel Corporation 2001.
Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in the Company’s standard warranty which is detailed in Atmel’s Terms and Conditions located on the Company’s web site. The Company assumes no responsibility for any errors which may appear in this document, reserves the right to change devices or specifications detailed herein at any time without notice, and does not make any commitment to update the information contained herein. No licenses to patents or other intellectual property of Atmel are granted by the Company in connection with the sale of Atmel products, expressly or by implication. Atmel’s products are not authorized for use as critical components in life support devices or systems.
ATMEL® and AVR® are the registered trademarks of Atmel.
Other terms and product names may be the trademarks of others.
Printed on recycled paper.
1228B–09/01/xM
