ATmega48PA Atmel Corporation, ATmega48PA Datasheet
ATmega48PA
Specifications of ATmega48PA
Available stocks
Related parts for ATmega48PA
ATmega48PA Summary of contents
Page 1
... Active Mode: 0.2mA – Power-down Mode: 0.1µA – Power-save Mode: 0.75µA (Including 32kHz RTC) ® ® AVR 8-Bit Microcontroller ( compatible) 8-bit Atmel Microcontroller with 4/8/16/32K Bytes In-System Programmable Flash ATmega48A ATmega48PA ATmega88A ATmega88PA ATmega168A ATmega168PA ATmega328 ATmega328P Summary Rev. 8271DS–AVR–05/11 ...
Page 2
Pin Configurations Figure 1-1. Pinout ATmega48A/PA/88A/PA/168A/PA/328/P (PCINT19/OC2B/INT1) PD3 (PCINT20/XCK/T0) PD4 GND VCC GND VCC (PCINT6/XTAL1/TOSC1) PB6 (PCINT7/XTAL2/TOSC2) PB7 (PCINT19/OC2B/INT1) PD3 (PCINT20/XCK/T0) PD4 VCC GND (PCINT6/XTAL1/TOSC1) PB6 (PCINT7/XTAL2/TOSC2) PB7 (PCINT21/OC0B/T1) PD5 NOTE: Bottom pad should be soldered to ground. Table ...
Page 3
Pin Descriptions 1.1.1 VCC Digital supply voltage. 1.1.2 GND Ground. 1.1.3 Port B (PB7:0) XTAL1/XTAL2/TOSC1/TOSC2 Port 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port B output buffers have symmetrical drive ...
Page 4
The various special features of Port D are elaborated in 90. 1.1 the supply voltage pin for the A/D Converter, PC3:0, and ADC7:6. It should be externally CC connected to V through a low-pass filter. Note ...
Page 5
Overview The ATmega48A/PA/88A/PA/168A/PA/328 low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega48A/PA/88A/PA/168A/PA/328/P achieves throughputs approaching 1 MIPS per MHz allowing the system designer to ...
Page 6
... The ATmega48A/PA/88A/PA/168A/PA/328/P differ only in memory sizes, boot loader support, and interrupt vector sizes. for the devices. Table 2-1. Device ATmega48A ATmega48PA ATmega88A 8271DS–AVR–05/11 ATmega48A/PA/88A/PA/168A/PA/328/P ® offers the QTouch library for embedding capacitive touch buttons, sliders and wheels microcontrollers. The patented charge-transfer signal acquisition offers ® ...
Page 7
Table 2-1. Device ATmega88PA ATmega168A ATmega168PA ATmega328 ATmega328P ATmega48A/PA/88A/PA/168A/PA/328/P support a real Read-While-Write Self-Programming mechanism. There is a separate Boot Loader Section, and the SPM instruction can only execute from there. In ATmega 48A/48PA there is no Read-While-Write support and ...
Page 8
Resources A comprehensive set of development tools, application notes and datasheets are available for download on http://www.atmel.com/avr. Note: 4. Data Retention Reliability Qualification results show that the projected data retention failure rate is much less than 1 PPM over ...
Page 9
Register Summary Address Name Bit 7 (0xFF) Reserved – (0xFE) Reserved – (0xFD) Reserved – (0xFC) Reserved – (0xFB) Reserved – (0xFA) Reserved – (0xF9) Reserved – (0xF8) Reserved – (0xF7) Reserved – (0xF6) Reserved – (0xF5) Reserved – ...
Page 10
Address Name Bit 7 (0xBF) Reserved – (0xBE) Reserved – (0xBD) TWAMR TWAM6 (0xBC) TWCR TWINT (0xBB) TWDR (0xBA) TWAR TWA6 (0xB9) TWSR TWS7 (0xB8) TWBR (0xB7) Reserved – (0xB6) ASSR – (0xB5) Reserved – (0xB4) OCR2B (0xB3) OCR2A (0xB2) ...
Page 11
Address Name Bit 7 (0x7D) Reserved – (0x7C) ADMUX REFS1 (0x7B) ADCSRB – (0x7A) ADCSRA ADEN (0x79) ADCH (0x78) ADCL (0x77) Reserved – (0x76) Reserved – (0x75) Reserved – (0x74) Reserved – (0x73) Reserved – (0x72) Reserved – (0x71) Reserved ...
Page 12
... Opcode for the IN and OUT instructions. For the Extended I/O space from 0x60 - 0xFF in SRAM, only the ST/STS/STD and LD/LDS/LDD instructions can be used. 5. Only valid for ATmega88A/88PA/168A/168PA/328/328P. 6. BODS and BODSE only available for picoPower devices ATmega48PA/88PA/168PA/328P 8271DS–AVR–05/11 ATmega48A/PA/88A/PA/168A/PA/328/P ...
Page 13
Instruction Set Summary Mnemonics Operands ARITHMETIC AND LOGIC INSTRUCTIONS ADD Rd, Rr Add two Registers ADC Rd, Rr Add with Carry two Registers ADIW Rdl,K Add Immediate to Word SUB Rd, Rr Subtract two Registers SUBI Rd, K Subtract ...
Page 14
Mnemonics Operands BRIE k Branch if Interrupt Enabled BRID k Branch if Interrupt Disabled BIT AND BIT-TEST INSTRUCTIONS SBI P,b Set Bit in I/O Register CBI P,b Clear Bit in I/O Register LSL Rd Logical Shift Left LSR Rd Logical ...
Page 15
Mnemonics Operands POP Rd Pop Register from Stack MCU CONTROL INSTRUCTIONS NOP No Operation SLEEP Sleep WDR Watchdog Reset BREAK Break Note: 1. These instructions are only available in ATmega168PA and ATmega328P. 8271DS–AVR–05/11 ATmega48A/PA/88A/PA/168A/PA/328/P Description Rd ← STACK (see specific ...
Page 16
Ordering Information 9.1 ATmega48A Speed (MHz) Power Supply (V) (3) 20 1.8 - 5.5 Note: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. ...
Page 17
... ATmega48A/PA/88A/PA/168A/PA/328/P (2) Ordering Code ATmega48PA-AU (5) ATmega48PA-AUR ATmega48PA-CCU (5) ATmega48PA-CCUR (4) ATmega48PA-MMH (4)(5) ATmega48PA-MMHR ATmega48PA-MU (5) ATmega48PA-MUR ATmega48PA-PU ATmega48PA-AN (4) ATmega48PA-ANR ATmega48PA-MMN (4) ATmega48PA-MMNR ATmega48PA-MN (4) ATmega48PA-MNR ATmega48PA-PN 322. Package Type (1) Package Operational Range 32A 32A 32CC1 32CC1 Industrial 28M1 ° (- 28M1 ...
Page 18
ATmega88A Speed (MHz) Power Supply (V) (3) 20 1.8 - 5.5 Note: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging ...
Page 19
ATmega88PA (3) Speed (MHz) Power Supply (V) 20 1.8 - 5.5 Note: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging ...
Page 20
ATmega168A (3) Speed (MHz) Power Supply (V) 20 1.8 - 5.5 Note: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging ...
Page 21
ATmega168PA (3) Speed (MHz) Power Supply (V) 20 1.8 - 5.5 20 1.8 - 5.5 Note: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum ...
Page 22
ATmega328 Speed (MHz) Power Supply (V) (3) 20 1.8 - 5.5 Note: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging ...
Page 23
ATmega328P (3) Speed (MHz) Power Supply (V) 20 1.8 - 5.5 Note: 1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information and minimum quantities. 2. Pb-free packaging ...
Page 24
Packaging Information 10.1 32A PIN 1 IDENTIFIER C Notes: 1. This package conforms to JEDEC reference MS-026, Variation ABA. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25 mm per side. Dimensions D1 and ...
Page 25
BALL CORNER Note1: Dimension “b” is measured at the maximum ball dia. ...
Page 26
Pin TOP VIEW 0.20 b 0.4 Ref BOTTOM VIEW (4x) The terminal # Laser-marked Feature. Note: Package Drawing Contact: packagedrawings@atmel.com 8271DS–AVR–05/11 ATmega48A/PA/88A/PA/168A/PA/328 ...
Page 27
Pin TOP VIEW Pin #1 Notch (0. BOTTOM VIEW Note: JEDEC Standard MO-220, Fig. 2 (Anvil Singulation), VHHD-2. 2325 Orchard Parkway San Jose, CA 95131 ...
Page 28
A SEATING PLANE Note: 1. Dimensions D and E1 do not include mold Flash or Protrusion. Mold Flash or Protrusion shall not exceed 0.25 mm (0.010"). 2325 Orchard Parkway San Jose, CA 95131 R 8271DS–AVR–05/11 ...
Page 29
... ADMUX is '1' (ADMUX[3:0]=1xxx), all MUX'es are turned off until the ACME bit is cleared. Problem Fix/Workaround Clear the MUX3 bit before setting the ACME bit. 11.2 Errata ATmega48PA The revision letter in this section refers to the revision of the ATmega48PA device. 11.2.1 Rev. D • Analog MUX can be turned off when setting ACME bit 1 ...
Page 30
Errata ATmega88PA The revision letter in this section refers to the revision of the ATmega88PA device. 11.4.1 Rev. F • Analog MUX can be turned off when setting ACME bit 1. Analog MUX can be turned off when setting ...
Page 31
Errata ATmega328 The revision letter in this section refers to the revision of the ATmega328 device. 11.7.1 Rev D • Analog MUX can be turned off when setting ACME bit 1. Analog MUX can be turned off when setting ...
Page 32
Errata ATmega328P The revision letter in this section refers to the revision of the ATmega328P device. 11.8.1 Rev D • Analog MUX can be turned off when setting ACME bit 1. Analog MUX can be turned off when setting ...
Page 33
... Updated “Ordering Information”,”ATmega328P” on page MMH” and “ATmega328P-MMHR”. Added “Ordering Information” for ATmega48PA/88PA/168PA/328P @ 105°C Updated ”Errata ATmega328” on page 555 Updated the datasheet according to the Atmel new brand style guide. Added 32UFBGA Pinout, Table 1-1 on page Updated the “ ...
Page 34
... Rev. 8271A – 12/ 8271DS–AVR–05/11 ATmega48A/PA/88A/PA/168A/PA/328/P New datasheet 8271 with merged information for ATmega48PA, ATmega88PA, ATmega168PA and ATmega48A, ATmega88A andATmega168A. Also included information on ATmega328 and ATmega328P Changes done: – New devices added: ATmega48A/ATmega88A/ATmega168A and ATmega328 – Updated Feature Description – ...
Page 35
... Atmel Munich GmbH Business Campus Parkring 4 D-85748 Garching b. Munich GERMANY Tel: (+49) 89-31970-0 Fax: (+49) 89-3194621 ® and others are registered trademarks or trademarks of Atmel Corporation or its Atmel Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 JAPAN Tel: (+81)(3) 3523-3551 Fax: (+81)(3) 3523-7581 8271DS–AVR–05/11 ...