參數(shù)資料
型號: TA8007F
元件分類: 固定正電壓單路輸出標(biāo)準(zhǔn)穩(wěn)壓器
英文描述: 5 V FIXED POSITIVE REGULATOR, PDSO16
封裝: 0.225 INCH, 1 MM PITCH, PLASTIC, SSOP-16
文件頁數(shù): 8/9頁
文件大小: 364K
代理商: TA8007F
8
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P [DATASHEET]
8285E–AVR–02/2013
2.3.11
Port J (PJ6:PJ0)
Port J is a 7-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The Port J output buffers
have symmetrical drive characteristics with both high sink and source capability. As inputs, Port J pins that are
externally pulled low will source current if the pull-up resistors are activated. The Port J pins are tri-stated when a
reset condition becomes active, even if the clock is not running.
Port J also serves the functions of various special features of the Atmel ATmega3250A/3250PA/6450A/6450P as
listed on page 78.
2.3.12
RESET
Reset input. A low level on this pin for longer than the minimum pulse length will generate a reset, even if the clock
is not running. The minimum pulse length is given in Table 28-13 on page 297. Shorter pulses are not guaranteed
to generate a reset.
2.3.13
XTAL1
Input to the inverting Oscillator amplifier and input to the internal clock operating circuit.
2.3.14
XTAL2
Output from the inverting Oscillator amplifier.
2.3.15
AVCC
AVCC is the supply voltage pin for Port F and the A/D Converter. It should be externally connected to V
CC, even if
the ADC is not used. If the ADC is used, it should be connected to V
CC through a low-pass filter.
2.3.16
AREF
This is the analog reference pin for the A/D Converter.
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