ATMEGA164PA-MCH Atmel, ATMEGA164PA-MCH Datasheet - Page 85
![MCU AVR 16KB FLASH 20MHZ 44-VQFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA164PA-MCH
Manufacturer Part Number
ATMEGA164PA-MCH
Description
MCU AVR 16KB FLASH 20MHZ 44-VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA164PA-MCH
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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 ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8272A–AVR–01/10
• T0/XCK0/PCINT8, Bit 0
T0, Timer/Counter0 counter source.
XCK0, USART0 External clock. The Data Direction Register (DDB0) controls whether the clock
is output (DDD0 set “one”) or input (DDD0 cleared). The XCK0 pin is active only when the
USART0 operates in Synchronous mode.
PCINT8, Pin Change Interrupt source 8: The PB0 pin can serve as an external interrupt source.
Table 13-7
shown in
MISO signal, while MOSI is divided into SPI MSTR OUTPUT and SPI SLAVE INPUT. .
Table 13-7.
Table 13-8.
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Figure 13-5 on page
PB7/SCK/
PCINT15
SPE • MSTR
PORTB7 • PUD
SPE • MSTR
0
SPE • MSTR
SCK OUTPUT
PCINT15 • PCIE1
1
SCK INPUT
PCINT17 INPUT
–
PB3/AIN1/OC0B/
PCINT11
0
0
0
0
OC0B ENABLE
OC0B
PCINT11 • PCIE1
1
PCINT11 INPUT
AIN1 INPUT
and
Overriding Signals for Alternate Functions in PB7:PB4
Overriding Signals for Alternate Functions in PB3:PB0
Table 13-8
relate the alternate functions of Port B to the overriding signals
79. SPI MSTR INPUT and SPI SLAVE OUTPUT constitute the
PB6/MISO/
PCINT14
SPE • MSTR
PORTB14 • PUD
SPE • MSTR
0
SPE • MSTR
SPI SLAVE
OUTPUT
PCINT14 • PCIE1
1
SPI MSTR INPUT
PCINT14 INPUT
–
PB2/AIN0/INT2/
PCINT10
0
0
0
0
0
0
INT2 ENABLE
PCINT10 • PCIE1
1
INT2 INPUT
PCINT10 INPUT
AIN0 INPUT
PB5/MOSI/
PCINT13
SPE • MSTR
PORTB13 • PUD
SPE • MSTR
0
SPE • MSTR
SPI MSTR OUTPUT
PCINT13 • PCIE1
1
SPI SLAVE INPUT
PCINT13 INPUT
–
PB1/T1/CLKO/PCIN
T9
0
0
CKOUT
CKOUT
CKOUT
CLK I/O
PCINT9 • PCIE1
1
T1 INPUT
PCINT9 INPUT
–
PCINT12 • PCIE1
PB4/SS/OC0B/
PCINT12
SPE • MSTR
PORTB12 • PUD
SPE • MSTR
0
OC0A ENABLE
OC0A
1
SPI SS
PCINT12 INPUT
–
PB0/T0/XCK/
PCINT8
0
0
0
0
0
0
PCINT8 • PCIE1
1
T0 INPUT
PCINT8 INPUT
–
85
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