參數資料
型號： PCM9211PT
廠商： TEXAS INSTRUMENTS INC
元件分類： 網絡接口
英文描述： DATACOM, TOKEN RING TRANSCEIVER, PQFP48
封裝： GREEN, PLASTIC, LQFP-48
文件頁數： 53/121頁
文件大小： 1219K
代理商： PCM9211PT
www.ti.com
SBAS495 – JUNE 2010
OUTPUT REGISTER CONSTRUCTION
The output 8-bit register is subdivided into three sections. The first four bits show the decoded result. The next
three bits signify the source; the final bit signifies the calculator status (finished or not).
The lock range of the counter (to the specified fS given in Table 9) are any clock rate within ±2%. The relation
between the nominal fS and actual measured fS range is shown in Table 9.
Table 9. Calculated Port Sampling Frequency Output
CALCULATED SAMPLING FREQUENCY OUTPUT
ACTUAL SAMPLING
NOMINAL fS
FREQUENCY RANGE (MIN)
PFSOUT3
PFSOUT2
PFSOUT1
PFSOUT0
Out of range
0
8 kHz
7.84 kHz to 8.16 kHz
0
1
11.025 kHz
10.8045 kHz to 11.2455 kHz
0
1
0
12 kHz
11.76 kHz to 12.24 kHz
0
1
16 kHz
15.68 kHz to 16.32 kHz
0
1
0
22.05 kHz
21.609 kHz to 22.491 kHz
0
1
0
1
24 kHz
23.52 kHz to 24.48 kHz
0
1
0
32 kHz
31.36 kHz to 32.64 kHz
0
1
44.1 kHz
43.218 kHz to 44.982 kHz
1
0
48 kHz
47.04 kHz to 48.96 kHz
1
0
1
64 kHz
62.72 kHz to 65.28 kHz
1
0
1
0
88.2 kHz
86.436 kHz to 89.964 kHz
1
0
1
96 kHz
94.08 kHz to 97.92 kHz
1
0
128 kHz
125.44 kHz to 130.56 kHz
1
0
1
176.4 kHz
172.872 kHz to 179.928 kHz
1
0
192 kHz
188.16 kHz to 195.84 kHz
1
Copyright 2010, Texas Instruments Incorporated
37
Product Folder Link(s): PCM9211
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