ATMEGA162V-1MC Atmel, ATMEGA162V-1MC Datasheet - Page 68
ATMEGA162V-1MC
Manufacturer Part Number
ATMEGA162V-1MC
Description
IC MCU AVR 16K 1.8V 8MHZ 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA162V-1MC
Core Processor
AVR
Core Size
8-Bit
Speed
1MHz
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)
1.8 V ~ 3.6 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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Special Function IO Register –
SFIOR
Alternate Functions of Port A
68
ATmega162(V/U/L)
• 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 “Configuring the Pin” on page 62 for more details about this feature.
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 and Table 31 relate the alternate functions of Port A to the overriding signals
shown in Figure 32 on page 66.
Bit
Read/Write
Initial Value
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
TSM
R/W
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)
XMBK
R/W
6
0
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
2513C–AVR–09/02
SFIOR
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