ATMEGA162-16MJ Atmel, ATMEGA162-16MJ Datasheet - Page 70
ATMEGA162-16MJ
Manufacturer Part Number
ATMEGA162-16MJ
Description
IC MCU AVR 16K 5V 16MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162-16MJ
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
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Special Function IO
Register – SFIOR
Alternate Functions of
Port A
70
ATmega162/V
• Bit 2 – PUD: Pull-up Disable
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See
figuring the Pin” on page 64
Port A has an alternate function as the address low byte and data lines for the External Memory
Interface and as Pin Change Interrupt.
Table 29. Port A Pins Alternate Functions
Table 30
Figure 32 on page
Bit
Read/Write
Initial Value
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
and
TSM
R/W
Table 31
7
0
Alternate Function
AD7 (External memory interface address and data bit 7)
PCINT7 (Pin Change INTerrupt 7)
AD6 (External memory interface address and data bit 6)
PCINT6 (Pin Change INTerrupt 6)
AD5 (External memory interface address and data bit 5)
PCINT5 (Pin Change INTerrupt 5)
AD4 (External memory interface address and data bit 4)
PCINT4 (Pin Change INTerrupt 4)
AD3 (External memory interface address and data bit 3)
PCINT3 (Pin Change INTerrupt 3)
AD2 (External memory interface address and data bit 2)
PCINT2 (Pin Change INTerrupt 2)
AD1 (External memory interface address and data bit 1)
PCINT1 (Pin Change INTerrupt 1)
AD0 (External memory interface address and data bit 0)
PCINT0 (Pin Change INTerrupt 0)
68.
XMBK
R/W
6
0
relate the alternate functions of Port A to the overriding signals shown in
for more details about this feature.
XMM2
R/W
5
0
XMM1
R/W
4
0
XMM0
R/W
3
0
PUD
R/W
2
0
PSR2
R/W
1
0
PSR310
R/W
0
0
SFIOR
2513K–AVR–07/09
“Con-
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