ATMEGA1284P-PU Atmel, ATMEGA1284P-PU Datasheet - Page 270
ATMEGA1284P-PU
Manufacturer Part Number
ATMEGA1284P-PU
Description
MCU AVR 128K ISP FLASH 40-PDIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets
1.ATMEGA644PA-PU.pdf
(581 pages)
2.ATMEGA644PA-PU.pdf
(32 pages)
3.ATMEGA1284PR231-AU.pdf
(380 pages)
4.ATMEGA1284P-MU.pdf
(20 pages)
Specifications of ATMEGA1284P-PU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
16 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRRAVEN, ATAVRRZUSBSTICK
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Controller Family/series
AVR MEGA
No. Of I/o's
32
Eeprom Memory Size
4KB
Ram Memory Size
16KB
Cpu Speed
20MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA1284P-PU
Manufacturer:
LUCENT
Quantity:
32
- ATMEGA644PA-PU PDF datasheet
- ATMEGA644PA-PU PDF datasheet #2
- ATMEGA1284PR231-AU PDF datasheet #3
- ATMEGA1284P-MU PDF datasheet #4
- Current page: 270 of 380
- Download datasheet (7Mb)
8059D–AVR–11/09
The Boundary-scan logic is not included in the figures in the datasheet.
simple digital port pin as described in the section
details from
When no alternate port function is present, the Input Data - ID - corresponds to the PINxn Regis-
ter value (but ID has no synchronizer), Output Data corresponds to the PORT Register, Output
Control corresponds to the Data Direction - DD Register, and the Pull-up Enable - PUExn - cor-
responds to logic expression PUD · DDxn · PORTxn.
Digital alternate port functions are connected outside the dotted box in
scan chain read the actual pin value. For analog function, there is a direct connection from the
external pin to the analog circuit. There is no scan chain on the interface between the digital and
the analog circuitry, but some digital control signal to analog circuitry are turned off to avoid driv-
ing contention on the pads.
When JTAG IR contains EXTEST or SAMPLE_PRELOAD the clock is not sent out on the port
pins even if the CKOUT fuse is programmed. Even though the clock is output when the JTAG IR
contains SAMPLE_PRELOAD, the clock is not sampled by the boundary scan.
Figure 23-3. Boundary-scan Cell for Bi-directional Port Pin with Pull-up Function.
Pull-up Enable (PUE)
Output Control (OC)
Output Data (OD)
Input Data (ID)
Figure 23-3
replaces the dashed box in
0
1
From Last Cell
0
1
0
1
ShiftDR
ClockDR
D
D
FF1
FF0
To Next Cell
Q
Q
”I/O-Ports” on page
UpdateDR
Figure
D
G
D
G
LD1
LD0
23-4.
Q
Q
0
1
0
1
0
1
ATmega1284P
EXTEST
Figure 23-4
70. The Boundary-scan
Figure 23-4
Vcc
to make the
shows a
270
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