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参数资料
| 型号： | TLV320AIC33IZQER |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA80 |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, PLASTIC, VFBGA-80 |
| 文件页数： | 73/93页 |
| 文件大小： | 1427K |
| 代理商： | TLV320AIC33IZQER |
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www.ti.com ........................................................................................................................................... SLAS480B – JANUARY 2006 – REVISED DECEMBER 2008
Page 0 / Register 100:
Additional GPIO Control Register A (continued)
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D4
R
0
SDA General Purpose Input Value (1)
0: SDA detects a logic-low when used as general purpose input
1: SDA is detects a logic-high when used as general purpose input
D3-D2
R/W
00
SCL Pin Control(1)
The SCL pin hardware includes pulldown capability only (open-drain NMOS), so an external pull-up
resistor is required when using this pin, even in GPIO mode.
00: SCL pin is not used as general purpose I/O
01: SCL pin used as general purpose input
10: SCL pin used as general purpose output
11: Reserved. Do not write this sequence to these register bits.
D1
R/W
0
SCL General Purpose Output Control (1)
0: SCL driven to logic-low when used as general purpose output
1: SCL driven to logic-high when used as general purpose output (requires external pull-up resistor)
D0
R
0
SCL General Purpose Input Value (1)
0: SCL detects a logic-low when used as general purpose input
1: SCL detects a logic-high when used as general purpose input
Page 0 / Register 101:
Additional GPIO Control Register B
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7
R
0
I2C Address Pin #0 Status (1)
0: MFP1 pin = I2C address pin #0 = 0 at reset
1: MFP1 pin = I2C address pin #0 = 1 at reset
D6
R
0
I2C Address Pin #1 Status (1)
0: MFP0 pin = I2C address pin #1 = 0 at reset
1: MFP0 pin = I2C address pin #1 = 1 at reset
D5
R/W
0
MFP3 Pin General Purpose Input Control (1)
0: MFP3 pin usage as general purpose input is disabled
1: MFP3 pin usage as general purpose input is enabled
D4
R/W
0
MFP3 Pin Serial Data Bus Input Control (1)
0: MFP3 pin usage as audio serial data input pin is disabled
1: MFP3 pin usage as audio serial data input pin is enabled
D3
R
0
MFP3 General Purpose Input Value (1)
0: MFP3 detects a logic-low when used as general purpose input
1: MFP3 detects a logic-high when used as general purpose input
D2
R/W
0
MFP2 General Purpose Output Control (1)
0: MFP2 pin usage as general purpose output is disabled
1: MFP2 pin usage as general purpose output is enabled
D1
R/W
0
MFP2 General Purpose Output Control (1)
0: MFP2 pin drives a logic-low when used as a general purpose output
1: MFP2 pin drives a logic-high when used as a general purpose output
D0
R/W
0
CODEC_CLKIN Source Selection
0: CODEC_CLKIN uses PLLDIV_OUT
1: CODEC_CLKIN uses CLKDIV_OUT
(1)
Bits D7-D1 in Register 101 are only valid in I2C control Mode, when SELECT = 0.
Page 0 / Register 102:
Clock Generation Control Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7-D6
R/W
00
CLKDIV_IN Source Selection
00: CLKDIV_IN uses MCLK
01: CLKDIV_IN uses GPIO2
10: CLKDIV_IN uses BCLK
11: Reserved. Do not use.
Copyright 2006–2008, Texas Instruments Incorporated
75
Product Folder Link(s): TLV320AIC33
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