ATMEGA162-16PC Atmel, ATMEGA162-16PC Datasheet - Page 250
![IC MCU AVR 16K 5V 16MHZ 40-DIP](/photos/6/70/67049/453-40-dip_sml.jpg)
ATMEGA162-16PC
Manufacturer Part Number
ATMEGA162-16PC
Description
IC MCU AVR 16K 5V 16MHZ 40-DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162-16PC
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)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
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Data Registers
Reset Register
Programming Enable Register The Programming Enable Register is a 16-bit register. The contents of this register is
250
ATmega162(V/U/L)
The Data Registers are selected by the JTAG Instruction Registers described in section
“Programming Specific JTAG Instructions” on page 247. The Data Registers relevant for
programming operations are:
•
•
•
•
•
The Reset Register is a test data register used to reset the part during programming. It
is required to reset the part before entering Programming mode.
A high value in the Reset Register corresponds to pulling the external reset low. The
part is reset as long as there is a high value present in the Reset Register. Depending
on the fuse settings for the clock options, the part will remain reset for a Reset Time-out
period (refer to “Clock Sources” on page 34) after releasing the Reset Register. The out-
put from this data register is not latched, so the reset will take place immediately, as
shown in Figure 86 on page 203.
compared to the programming enable signature, binary code 1010_0011_0111_0000.
When the contents of the register is equal to the programming enable signature, pro-
gramming via the JTAG port is enabled. The register is reset to 0 on Power-on Reset,
and should always be reset when leaving Programming mode.
Figure 108. Programming Enable Register
Reset Register
Programming Enable Register.
Programming Command Register.
Virtual Flash Page Load Register.
Virtual Flash Page Read Register.
TDO
TDI
D
A
A
T
0xA370
ClockDR & PROG_ENABLE
=
D
Q
Programming Enable
2513C–AVR–09/02
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