ATMEGA128A-AU Atmel, ATMEGA128A-AU Datasheet - Page 295

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

Specifications of ATMEGA128A-AU

• 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-TQFP, 64-VQFP
• Processor Series: ATMEGA128x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: JTAG
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 4
• 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: 10 bit, 8 Channel
• On-chip Dac: 10 bit, 8 Channel
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 16MHz
• Total Internal Ram Size: 4KB
• # I/os (max): 53
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4784435

8151H–AVR–02/11
Figure 26-1. Parallel Programming
Table 26-7.
Table 26-8.
Signal Name in
Programming Mode
RDY/BSY
OE
WR
BS1
XA0
XA1
PAGEL
BS2
DATA
PAGEL
XA1
XA0
BS1
Pin
Pin Name Mapping
Pin Values Used to Enter Programming Mode
RDY/BSY
PAGEL
+12 V
BS2
BS1
XA0
XA1
WR
OE
Pin Name
PB7-0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PA0
PD1
PD2
PD3
PD4
PD5
PD6
RESET
XTAL1
GND
PD7
PA0
I/O
I/O
O
I
I
I
I
I
I
I
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Function
0: Device is busy programming, 1: Device is ready for
new command
Output Enable (Active low)
Write Pulse (Active low)
Byte Select 1 (“0” selects low byte, “1” selects high byte)
XTAL Action Bit 0
XTAL Action Bit 1
Program Memory and EEPROM data Page Load
Byte Select 2 (“0” selects low byte, “1” selects 2’nd high
byte)
Bi-directional Data bus (Output when OE is low)
Symbol
PB7 - PB0
AVCC
VCC
+5V
+5V
ATmega128A
DATA
Value
0
0
0
0
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