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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： | 13/48页 |
| 文件大小： | 304K |
| 代理商： | UDA1342TSDB-T |
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2000
Jul
31
20
Philips
Semiconductors
Product
specication
A
udio
CODEC
UD
A1342TS
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8.16.5
READ CYCLE
The read cycle is used to read data from the internal registers of the UDA1342TS to the microcontroller. The I2C-bus format for a read cycle is shown
in Table 18.
The format of the read cycle is as follows:
1. The microcontroller starts with a START condition S.
2. The first byte (8 bits) contains the device address 0011 01X and a write command (bit R/W = 0).
3. This is followed by an acknowledge (A) from the UDA1342TS.
4. The microcontroller then writes the register address where reading of the register content of the UDA1342TS must start.
5. The UDA1342TS acknowledges this register address.
6. Then the microcontroller generates a repeated START (Sr).
7. Again the device address 0011 01X is given, but this time followed by a read command (bit R/W = 1).
8. The UDA1342TS sends the two-byte data with the Most Significant Data (MSD) byte first and then the Least Significant Data (LSD) byte, where
each byte is acknowledged by the microcontroller (master).
9. The microcontroller stops this cycle by generating a negative acknowledge (NA).
10. The UDA1342TS then frees the I2C-bus and the microcontroller can generate a STOP condition (P).
Table 18 Master transmitter reads from UDA1342TS registers
Note
1. Auto increment of the register address is carried out if repeated groups of 2 bytes are transmitted.
ACKNOWLEDGE FROM UDA1342TS
ACKNOWLEDGE FROM MASTER
DEVICE
ADDRESS
R/W
REGISTER
ADDRESS
DEVICE
ADDRESS
R/WDATA(1)
S
0011 01X
0
A 0XXX XXXX A Sr
0011 01X
1
A
MSD1
A
LSD1
A
MSD2
A
LSD2
A
MSDn
A
LSDn
NA
P
8 bits
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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