ATMEGA162-16MC Atmel, ATMEGA162-16MC Datasheet - Page 64
![IC MCU AVR 16K 5V 16MHZ 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA162-16MC
Manufacturer Part Number
ATMEGA162-16MC
Description
IC MCU AVR 16K 5V 16MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162-16MC
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
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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ATmega162(V/U/L)
Consider the clock period starting shortly after the first falling edge of the system clock.
The latch is closed when the clock is low, and goes transparent when the clock is high,
as indicated by the shaded region of the “SYNC LATCH” signal. The signal value is
latched when the system clock goes low. It is clocked into the PINxn Register at the suc-
ceeding positive clock edge. As indicated by the two arrows t
signal transition on the pin will be delayed between ½ and 1½ system clock period
depending upon the time of assertion.
When reading back a software assigned pin value, a nop instruction must be inserted as
indicated in Figure 31. The out instruction sets the “SYNC LATCH” signal at the positive
edge of the clock. In this case, the delay t
clock period.
Figure 31. Synchronization when Reading a Software Assigned Pin Value
INSTRUCTIONS
SYSTEM CLK
SYNC LATCH
PINxn
r16
r17
out PORTx, r16
pd
0x00
through the synchronizer is one system
nop
t
pd
0xFF
in r17, PINx
pd,max
and t
pd,min
2513C–AVR–09/02
0xFF
, a single
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