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参数资料
| 型号： | UDA1342TSDB-T |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | Audio CODEC |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封装： | 5.30 MM, ROHS COMPLIANT, PLASTIC, MO-150, SSOP-28 |
| 文件页数： | 10/48页 |
| 文件大小： | 304K |
| 代理商： | UDA1342TSDB-T |
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2000 Jul 31
18
Philips Semiconductors
Product specication
Audio CODEC
UDA1342TS
8.16
I2C-bus interface
Besides the L3-bus mode the UDA1342TS supports the
I2C-bus mode; all the features can be controlled by the
microcontroller with the same register addresses as used
in the L3-bus mode.
The exchange of data and control information between the
microcontroller and the UDA1342TS in the I2C-bus mode
is accomplished through a serial hardware interface
comprising the following pins and signals:
L3CLOCK: Serial Clock Line (SCL)
L3DATA: Serial Data line (SDA).
The clock and data timing of the I2C-bus transfer is shown
in Fig.15.
8.16.1
ADDRESSING
Before any data is transmitted on the I2C-bus, the device
which should respond is addressed first. The addressing is
always done with the first byte transmitted after the START
procedure (S).
8.16.2
SLAVE ADDRESS
The UDA1342TS acts as a slave receiver or a slave
transmitter. Therefore, the clock signal SCL is only an
input signal. The data signal SDA is an input or output
signal (bidirectional line).
The UDA1342TS slave address format is shown in
Table 15.
Table 15 I2C-bus slave address format
The slave address bit IPSEL corresponds to the hardware
address pin IPSEL which allows selecting the slave
address.
8.16.3
REGISTER ADDRESS
The UDA1342TS register address format is given in
Table 16.
Table 16 I2C-bus register address format
The register mapping of the I2C-bus and L3-bus interfaces
is the same (see Section 9).
MSB BIT 6 BIT 5 BIT 4 BIT 3 BIT 2
BIT 1
LSB
0
1101
IPSEL R/W
MSB BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 LSB
0
A6A5A4A3A2A1
A0
相关PDF资料 |
PDF描述 |
|---|---|
| UDA1342TS/N1,512 | Audio CODEC; Package: SOT341-1 (SSOP28); Container: Tube Dry Pack |
| UDA1342TS/N1,518 | Audio CODEC; Package: SOT341-1 (SSOP28); Container: Reel Dry Pack, SMD, 13" |
| UDA1345TS/N2,118 | Economy audio CODEC; Package: SOT341-1 (SSOP28); Container: Reel Pack, SMD, 13" |
| UDA1345TS/N2,112 | Economy audio CODEC; Package: SOT341-1 (SSOP28); Container: Tube |
| UDA1361TS/N1,112 | 96 kHz sampling 24-bit stereo audio ADC; Package: SOT369-1 (SSOP16); Container: Tube |
相关代理商/技术参数 |
参数描述 |
|---|---|
| UDA1343 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Economy audio CODEC with features |
| UDA1343TT | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Economy audio CODEC with features |
| UDA1344 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Low-voltage low-power stereo audio CODEC with DSP features |
| UDA1344TS | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Low-voltage low-power stereo audio CODEC with DSP features |
| UDA1344TS/N2 | 制造商:NXP Semiconductors 功能描述:IC CODEC AUDIO W/DSP 28-SSOP 制造商:NXP Semiconductors 功能描述:IC, CODEC, AUDIO, W/DSP, 28-SSOP |
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