ATMEGA162-16MUR Atmel, ATMEGA162-16MUR Datasheet - Page 245
![MCU AVR 16KB FLASH 16MHZ 44QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA162-16MUR
Manufacturer Part Number
ATMEGA162-16MUR
Description
MCU AVR 16KB FLASH 16MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162-16MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
EBI/EMI, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
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Serial
Downloading
SPI Serial
Programming Pin
Mapping
2513K–AVR–07/09
Table 107. Parallel Programming Characteristics, V
Notes:
Table 108. Pin Mapping SPI Serial Programming
Both the Flash and EEPROM memory arrays can be programmed using the serial SPI bus while
RESET is pulled to GND. The serial interface consists of pins SCK, MOSI (input) and MISO (out-
put). After RESET is set low, the Programming Enable instruction needs to be executed first
before program/erase operations can be executed. NOTE, in
mapping for SPI programming is listed. Not all parts use the SPI pins dedicated for the internal
SPI interface.
Figure 105. SPI Serial Programming and Verify
Note:
When programming the EEPROM, an auto-erase cycle is built into the self-timed programming
operation (in the Serial mode ONLY) and there is no need to first execute the Chip Erase
instruction. The Chip Erase operation turns the content of every memory location in both the
Program and EEPROM arrays into 0xFF.
Symbol
t
t
t
BVDV
OLDV
OHDZ
Symbol
1.
2. t
1. If the device is clocked by the Internal Oscillator, it is no need to connect a clock source to the
MOSI
MISO
SCK
commands.
XTAL1 pin.
t
WLRH_CE
WLRH
Parameter
BS1 Valid to DATA valid
OE Low to DATA Valid
OE High to DATA Tri-stated
is valid for the Write Flash, Write EEPROM, Write Fuse Bits and Write Lock Bits
is valid for the Chip Erase command.
Pins
PB5
PB6
PB7
MOSI
MISO
SCK
XTAL1
RESET
GND
I/O
O
I
I
(1)
CC
= 5 V ± 10% (Continued)
VCC
Min
0
Serial Data out
Table 108 on page
Serial Data in
Description
Serial Clock
Typ
ATmega162/V
Max
250
250
250
Units
ns
ns
ns
245, the pin
245
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