參數(shù)資料
型號(hào)： TLV320AIC3107IYZFT
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2 CHANNEL, AUDIO AMPLIFIER, BGA42
封裝： 3.50 X 3 MM, 0.50 MM PITCH, GREEN, DSBGA-42
文件頁(yè)數(shù)： 75/99頁(yè)
文件大?。?/td> 1474K
代理商： TLV320AIC3107IYZFT
www.ti.com .............................................................................................................................................. SLOS545C – NOVEMBER 2008 – REVISED MARCH 2009
Page 0 / Register 98:
GPIO1 Control Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7-D4
R/W
0000
GPIO1 Output Control
0000: GPIO1 is disabled
0001: GPIO1 used for audio serial data bus ADC word clock
0010: GPIO1 output = clock mux output divided by 1 (M=1)
0011: GPIO1 output = clock mux output divided by 2 (M=2)
0100: GPIO1 output = clock mux output divided by 4 (M=4)
0101: GPIO1 output = clock mux output divided by 8 (M=8)
0110: GPIO1 output = short circuit interrupt
0111: GPIO1 output = AGC noise interrupt
1000: GPIO1 = general purpose input
1001: GPIO1 = general purpose output
1010: Reserved. Do not write this sequence to these bits.
1011: GPIO1 = word clock for audio serial data bus (programmable as input or output)
1100: GPIO1 output = hook-switch/button press interrupt (interrupt polarity: active high, typical interrupt
duration: button pressed time + clock resolution. Clock resolution depends upon debounce
programmability. Typical interrupt delay from button: debounce duration + 0.5ms)
1101: GPIO1 output = jack/headset detection interrupt
1110: GPIO1 output = jack/headset detection interrupt OR button press interrupt
1111: GPIO1 output = jack/headset detection OR button press OR Short Circuit detection OR AGC
Noise detection interrupt
D3
R/W
0
GPIO1 Clock Mux Output Control
0: GPIO1 clock mux output = PLL output
1: GPIO1 clock mux output = clock divider mux output
D2
R/W
0
GPIO1 Interrupt Duration Control
0: GPIO1 Interrupt occurs as a single active-high pulse of typical duration 2ms.
1: GPIO1 Interrupt occurs as continuous pulses until the Interrupt Flags register (register 96) is read by
the host
D1
R
0
GPIO1 General Purpose Input Value
0: A logic-low level is input to GPIO1
1: A logic-high level is input to GPIO1
D0
R/W
0
GPIO1 General Purpose Output Value
0: GPIO1 outputs a logic-low level
1: GPIO1 outputs a logic-high level
Copyright 2008–2009, Texas Instruments Incorporated
77
Product Folder Link(s): TLV320AIC3107
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