參數(shù)資料
型號： ATMEGA164A-PU
廠商： Atmel
文件頁數(shù)： 142/160頁
文件大?。?/td> 0K
描述： IC MCU AVR 16K 20MHZ 40PDIP
產(chǎn)品培訓(xùn)模塊： MCU Product Line Introduction
megaAVR Introduction
標(biāo)準(zhǔn)包裝： 14
系列： AVR® ATmega
核心處理器： AVR
芯體尺寸： 8-位
速度： 20MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： 欠壓檢測/復(fù)位，POR，PWM，WDT
輸入/輸出數(shù)： 32
程序存儲器容量： 16KB（8K x 16）
程序存儲器類型： 閃存
EEPROM 大?。?/td> 512 x 8
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 8x10b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 40-DIP（0.600"，15.24mm）
包裝： 管件
配用： ATSTK600-RC05-ND - STK600 ROUTING CARD AVR
82
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
14.3.2
Alternate Functions of Port B
The Port B pins with alternate functions are shown in Table 14-6.
The alternate pin configuration is as follows:
SCK/OC3B/PCINT15 – Port B, Bit 7
SCK: Master Clock output, Slave Clock input pin for SPI channel. When the SPI is enabled as a
slave, this pin is configured as an input regardless of the setting of DDB7. When the SPI0 is
enabled as a master, the data direction of this pin is controlled by DDB7. When the pin is forced
to be an input, the pull-up can still be controlled by the PORTB7 bit.
OC3B, Output Compare Match B output: The PB7 pin can serve as an external output for the
Timer/Counter3 Output Compare. The pin has to be configured as an output (DDB7 set “one”) to
serve this function. The OC3B pin is also the output pin for the PWM mode timer function.
PCINT15, Pin Change Interrupt source 15: The PB7 pin can serve as an external interrupt
source.
MISO/OC3A/PCINT14 – Port B, Bit 6
MISO: Master Data input, Slave Data output pin for SPI channel. When the SPI is enabled as a
master, this pin is configured as an input regardless of the setting of DDB6. When the SPI is
enabled as a slave, the data direction of this pin is controlled by DDB6. When the pin is forced to
be an input, the pull-up can still be controlled by the PORTB6 bit.
Table 14-6.
Port B pins alternate functions.
Port Pin
Alternate Functions
PB7
SCK (SPI Bus Master clock input)
OC3B (Timer/Conter 3 Output Compare Match B Output)
PCINT15 (Pin Change Interrupt 15)
PB6
MISO (SPI Bus Master Input/Slave Output)
OC3A (Timer/Conter 3 Output Compare Match A Output)
PCINT14 (Pin Change Interrupt 14)
PB5
MOSI (SPI Bus Master Output/Slave Input)
ICP3 (Timer/Counter3 Input Capture Trigger)
PCINT13 (Pin Change Interrupt 13)
PB4
SS (SPI Slave Select input)
OC0B (Timer/Conter 0 Output Compare Match B Output)
PCINT12 (Pin Change Interrupt 12)
PB3
AIN1 (Analog Comparator Negative Input)
OC0A (Timer/Conter 0 Output Compare Match A Output)
PCINT11 (Pin Change Interrupt 11)
PB2
AIN0 (Analog Comparator Positive Input)
INT2 (External Interrupt 2 Input)
PCINT10 (Pin Change Interrupt 10)
PB1
T1 (Timer/Counter 1 External Counter Input)
CLKO (Divided System Clock Output)
PCINT9 (Pin Change Interrupt 9)
PB0
T0 (Timer/Counter 0 External Counter Input)
XCK0 (USART0 External Clock Input/Output)
PCINT8 (Pin Change Interrupt 8)
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