參數(shù)資料
型號(hào)： PCD6003U
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Digital telephone answering machine chip
中文描述： SPECIALTY TELECOM CIRCUIT, UUC
文件頁數(shù)： 15/96頁
文件大小： 385K
代理商： PCD6003U
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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