參數(shù)資料
型號(hào): ATMEGA1284-AUR
廠商: Atmel
文件頁數(shù): 145/160頁
文件大小: 0K
描述: IC MCU AVR 128K FLASH 44TQFP
產(chǎn)品培訓(xùn)模塊: megaAVR Introduction
標(biāo)準(zhǔn)包裝: 1
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(cè)/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 128KB(64K x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 16K 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: 44-TQFP
包裝: 剪切帶 (CT)
85
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
14.3.3
Alternate Functions of Port C
The Port C pins with alternate functions are shown in Table 14-9.
TOSC2/PCINT23 – Port C, Bit7
TOSC2, Timer Oscillator pin 2. The PC7 pin can serve as an external interrupt source to the
MCU.
PCINT23, Pin Change Interrupt source 23: The PC7 pin can serve as an external interrupt
source.
Table 14-8.
Overriding Signals for Alternate Functions in PB3:PB0.
Signal
name
PB3/AIN1/OC0B/
PCINT11
PB2/AIN0/INT2/
PCINT10
PB1/T1/CLKO/PCIN
T9
PB0/T0/XCK/
PCINT8
PUOE
00
PUOV
00
DDOE
0
CKOUT
0
DDOV
0
CKOUT
0
PVOE
OC0B ENABLE
0
CKOUT
0
PVOV
OC0B
0
CLK I/O
0
DIEOE
PCINT11 PCIE1
INT2 ENABLE
PCINT10 PCIE1
PCINT9 PCIE1
PCINT8 PCIE1
DIEOV
1
DI
PCINT11 INPUT
INT2 INPUT
PCINT10 INPUT
T1 INPUT
PCINT9 INPUT
T0 INPUT
PCINT8 INPUT
AIO
AIN1 INPUT
AIN0 INPUT
Table 14-9.
Port C pins alternate functions.
Port pin
Alternate function
PC7
TOSC2 (Timer Oscillator pin 2)
PCINT23 (Pin Change Interrupt 23)
PC6
TOSC1 (Timer Oscillator pin 1)
PCINT22 (Pin Change Interrupt 22)
PC5
TDI (JTAG Test Data Input)
PCINT21 (Pin Change Interrupt 21)
PC4
TDO (JTAG Test Data Output)
PCINT20 (Pin Change Interrupt 20)
PC3
TMS (JTAG Test Mode Select)
PCINT19 (Pin Change Interrupt 19)
PC2
TCK (JTAG Test Clock)
PCINT18 (Pin Change Interrupt 18)
PC1
SDA (two-wire Serial Bus Data Input/Output Line)
PCINT17 (Pin Change Interrupt 17)
PC0
SCL (two-wire Serial Bus Clock Line)
PCINT16 (Pin Change Interrupt 16)
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