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參數(shù)資料
| 型號(hào)： | PCD6003H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Digital telephone answering machine chip |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP80 |
| 封裝： | PLASTIC, QFP-80 |
| 文件頁(yè)數(shù)： | 15/96頁(yè) |
| 文件大小： | 385K |
| 代理商： | PCD6003H |
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2001 Apr 17
15
Philips Semiconductors
Product specification
Digital telephone answering machine chip
PCD6003
9.2
System clocks
Figure 5 shows the multiplexers with their input and control signals for the DSP processor clock, the microcontroller
clock, the CODEC clock (CLK_3) and the chip input clock frequency. The functional position of the CODEC clock
multiplexer is shown in Fig.4.
handbook, full pagewidth
MGT431
R
S
Q
FF
CLK_3_DRT2
CLK_3_DRT1
CLK_3
CDCCNTRL_CLK
DSP_IDLE
DSP_WAKEUP
DSP_CLK
μ
C_CLK
DSP_CLK_IN
EMG_CLK
EMG_CLK
EMG_CLK
CLK_1
CLK_7
CLK_14
CLK_21
CLK_1
CLK_7
CLK_42
CLK_28
CLK3_CORR
CLK3_OUT
CKCON[2, 3 or 7]
CKCON[4, 5 or 7]
CKCON[6 or 7]
CKCON[0 or 1]
SPCON[0 or 1]
SPCON[2 or 3]
SPCON[4]
÷
4
÷
2
÷
2
÷
5
FS1
FS_event
TIME_event
3
2
1
0
Fig.5 Clock and event rate selection.
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