参数资料
型号: DS2165Q/T&R
厂商: Maxim Integrated Products
文件页数: 15/17页
文件大小: 0K
描述: IC PROC ADPCM 16/24/32K 28-PLCC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 500
类型: ADPCM 处理器
安装类型: 表面贴装
封装/外壳: 28-LCC(J 形引线)
供应商设备封装: 28-PLCC(11.51x11.51)
包装: 带卷 (TR)
DS2165Q
7 of 17
TIME SLOT ASSIGNMENT/ORGANIZATION
On-board counters establish when PCM and ADPCM I/O occur. The counters are programmed by the
time slot registers. Time slot size (number of bits wide) is determined by the state of CP/ EX . The number
of time slots available is determined by the state of both CP/ EX and U/ A (Figures 7 through 10). For
example, if the X channel is set to compress (CP/ EX = 1) and it is set to expect
m-law data
(U/ A = 1), then the input port (XIN) is set up for 32 8-bit time slots and the output port (XOUT) is set up
for 64 4-bit time slots. The time slot organization is not dependent on which algorithm has been selected.
Note: Time slots are counted from the frame sync signal starting at the first rising edge of either CLKX
or CLKY after the frame sync.
Figure 7.
m-LAW PCM INTERFACE
Figure 8.
m-LAW ADPCM INTERFACE
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