ATMEGA128-16AU Atmel, ATMEGA128-16AU Datasheet - Page 167
ATMEGA128-16AU
Manufacturer Part Number
ATMEGA128-16AU
Description
IC AVR MCU 128K 16MHZ 5V 64TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA128-16AU.pdf
(26 pages)
2.ATMEGA128-16AU.pdf
(385 pages)
3.ATMEGA128-16AU.pdf
(389 pages)
Specifications of ATMEGA128-16AU
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)
4.5 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
2-Wire, JTAG, SPI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
53
Number Of Timers
4
Operating Supply Voltage
4.5 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
Controller Family/series
AVR MEGA
No. Of I/o's
53
Eeprom Memory Size
4096Byte
Ram Memory Size
4KB
Cpu Speed
16MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK501 - ADAPTER KIT FOR 64PIN AVR MCUATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
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2467M–AVR–11/04
be cleared, and SPIF in SPSR will become set. The user will then have to set MSTR to
re-enable SPI Master mode.
• Bit 3 – CPOL: Clock Polarity
When this bit is written to one, SCK is high when idle. When CPOL is written to zero,
SCK is low when idle. Refer to Figure 77 and Figure 78 for an example. The CPOL func-
tionality is summarized below:
Table 70. CPOL functionality
• Bit 2 – CPHA: Clock Phase
The settings of the clock phase bit (CPHA) determine if data is sampled on the leading
(first) or trailing (last) edge of SCK. Refer to Figure 77 and Figure 78 for an example.
The CPHA functionality is summarized below:
Table 71. CPHA functionality
• Bits 1, 0 – SPR1, SPR0: SPI Clock Rate Select 1 and 0
These two bits control the SCK rate of the device configured as a master. SPR1 and
SPR0 have no effect on the slave. The relationship between SCK and the Oscillator
Clock frequency f
Table 72. Relationship Between SCK and the Oscillator Frequency
SPI2X
CPOL
CPHA
0
0
0
0
1
1
1
1
0
1
0
1
osc
is shown in the following table:
SPR1
0
0
1
1
0
0
1
1
Leading edge
Leading edge
Sample
Falling
Rising
Setup
SPR0
0
1
0
1
0
1
0
1
SCK Frequency
f
f
f
f
f
f
f
f
osc
osc
osc
osc
osc
osc
osc
osc
/
/
/
/
/
/
/
/
4
128
2
64
16
64
8
32
Trailing edge
Trailing edge
ATmega128
Sample
Falling
Rising
Setup
167
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