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參數(shù)資料
| 型號： | 935261615112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封裝： | 7.50 MM, PLASTIC, SO-28 |
| 文件頁數(shù)： | 16/48頁 |
| 文件大小： | 356K |
| 代理商： | 935261615112 |
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1998 Oct 06
23
Philips Semiconductors
Preliminary specication
Universal Serial Bus (USB)
Digital-to-Analog Converter (DAC)
UDA1321
Notes
1. An extensive description of the USB control options is available in the
“USB Device Class Definition for Audio
Devices”.
2. The serial number is only supported in the external configuration map and not in the four internal configuration maps.
The general purpose pins (GP0 to GP5)
The UDA1321 has 6 General Purpose (GP) pins; these are pins GP0 to GP5. These can be used either for digital I/O
functions or for general purposes. The configurations presented are as implemented in the standard firmware.
There are basically three port configurations:
No digital I/O communication
4-pins digital I/O communication
6-pins digital I/O communication.
These port configurations can be selected via the configuration map at start-up of the UDA1321.
The user can make a selection between two functions for each of the pins GP0 to GP4 (see byte 5 in Table 6), except if
digital I/O communication is selected (see Tables 7, 8 and 9).
21
wTerminalType high byte
22
wTerminalType low byte
23
24
25
pointer language string
32
26
pointer manufacturer string
36
27
pointer product string
46
28
pointer serial number
54
32
language string
36
manufacturer string
46
product string
54
serial number; note 2
BYTE
(HEX)
REGISTER
NAME
COMMENTS
BIT
VALUE
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