參數(shù)資料
型號: TDA7500
廠商: STMICROELECTRONICS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: TQFP-100
文件頁數(shù): 40/40頁
文件大?。?/td> 391K
代理商: TDA7500
9/40
TDA7500
I/O DEFINITION AND STATUS
O: logic low output
X: undefined input/output
Z: high impedance
1: logic input output
96
DACREF<2>
I
Voltage Reference (Input). External decoupling of the analog
references of the CODEC and voltage biasing.
97
DACREF<1>
I
Voltage Reference (Input). It can be connected to pin 100.
98
DACREF<0>
I
Voltage Reference (Input). External decoupling of the analog
references of the CODEC and voltage biasing.
99
DACGND
Analog Ground pin dedicated to the D/A converter.
100
DACVDD
Analog Supply pin dedicated to the D/A converter.
Pin
#
Function
Reset
State
After Boot
I/O
Comments
SPI
I2C
EMI
1
GND1
supply
2
VDD1
supply
To be connected
to VDD
3
TESTEN
X
input
To be connected
to GND
4
TESTSE
X
input
Ext. Pulldown
5
NRESET
X
input 5VT
6
MSPI: SCKM input
MSPI: SCKM output
I2C: SCL bi-direct
DSP0: GPIO0 input
DSP0: GPIO0 output
X
(1)
input 5VT
output 4mA PP
input 5VT/output 4mA OD
input 5VT
output 4mA OD
(1) undefined
input
7
MSPI: MISOM input
MSPI: MISOM output
I2C: SDA bi-direct
DSP0: GPIO1 input
DSP0: GPIO1 output
X
0 or 1
X
input 5VT
output 4mA OD
input 5VT/output 4mA OD
input 5VT
output 4mA PP
8
MSPI: MOSIM input
MSPI: MOSIM output
DSP0: GPIO2 input
DSP0: GPIO2 output
X
input 5VT
output 4mA OD
input 5VT
output 4mA OD
9
MSPI: SSM input
DSP0: GPIO3 input
DSP0: GPIO3 output
X
XX
input 5VT
output 4mA PP
10
DSPI: SCKD input
DSPI: SCKD output
DSP0: GPIO4 input
DSP0: GPIO4 output
X
input 5VT
output 4mA PP
input 5VT
output 4mA PP
Name
Type
Description
PIN DESCRIPTION (continued)
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