ATMEGA128A-MU Atmel, ATMEGA128A-MU Datasheet - Page 2

• Manufacturer Part Number: ATMEGA128A-MU
• Description: MCU 8BIT 128K ISP FLASH 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128A-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-MLF®, 64-QFN
• Processor Series: ATMEGA128x
• Core: AVR8
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Controller Family/series: AVR MEGA
• No. Of I/o's: 53
• Eeprom Memory Size: 4KB
• Ram Memory Size: 4KB
• Cpu Speed: 16MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1. Pin Configurations
Figure 1-1.
2. Overview
2
ATmega128A
(OC3A/AIN1) PE3
(OC3C/INT5) PE5
(OC3B/INT4) PE4
(XCK0/AIN0) PE2
(TXD0/PDO) PE1
(ICP3/INT7) PE7
RXD0/(PDI) PE0
Pinout ATmega128A
(T3/INT6) PE6
(OC1A) PB5
(OC1B) PB6
(MOSI) PB2
(MISO) PB3
(SCK) PB1
(OC0) PB4
(SS) PB0
Note:
The Atmel
enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the
ATmega128A achieves throughputs approaching 1MIPS per MHz allowing the system designer
to optimize power consumption versus processing speed.
PEN
The Pinout figure applies to both TQFP and MLF packages. The bottom pad under the QFN/MLF
package should be soldered to ground.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
®
AVR
®
ATmega128A is a low-power CMOS 8-bit microcontroller based on the AVR
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
PA3 (AD3)
PA4 (AD4)
PA5 (AD5)
PA6 (AD6)
PA7 (AD7)
PG2(ALE)
PC7 (A15)
PC6 (A14)
PC5 (A13)
PC4 (A12)
PC3 (A11)
PC2 (A10)
PC1 (A9)
PC0 (A8)
PG1(RD)
PG0(WR)
8151HS–AVR–02/11