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參數(shù)資料
| 型號： | LC78845Q |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | QFP-48 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大小： | 143K |
| 代理商： | LC78845Q |
Pin Settings
1. Input master clock setup (when SPSEL is high)
Input the master clock for the internal digital filters to MCK1 (pin 3). Also, set whether that clock is 384fs or 512fs
with MKSEL (pin 1).
2. Input data fs setting (when SPSEL is high)
The input data sampling frequency must be set. FSEL1 and FSEL2 (pins 46 and 45) are used for this setting. Data
sampled at a 32 or 48 kHz sampling frequency is converted to data with a 44.1 kHz sampling frequency. If data
sampled at 44.1 kHz is input, it is passed through unchanged.
3. Output data setup
The output data can be switched between fs and 2fs. FSEL3 (pin 41) is used to change this setting.
4. Setup from serial input
The MKSEL, FSEL1, FSEL2, MUTE, and STOP settings can be set using the serial bus by setting SPSEL (pin 11)
low. The 8 bits of input data is output in parallel regardless of the SPSEL setting.
Serial input format 1 (CCB = high)
Serial input format 2 (CCB = low)
No. 5236-8/10
LC78845Q
Pin
L
H
MKSEL
384fs
512fs
Sampling frequency
FSEL1
FSEL2
44.1 kHz
0
!
48 kHz
1
0
32 kHz
1
Pin
L
H
FSEL3
fs
2fs
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