參數(shù)資料
型號: Q67103-H6594
廠商: SIEMENS AG
英文描述: Memory Time Switch Extended Large MTSXL
中文描述: 內(nèi)存定時開關(guān)擴展大型MTSXL
文件頁數(shù): 28/51頁
文件大小: 1052K
代理商: Q67103-H6594
PEB 2447
Operational Description
Semiconductor Group
28
03.97
Figure 12
Internal Control Signals Mode 0 (OCSR = 0)
Note: O_SYN is a control signal for the synchronization of RD and WR access to the
data memory and not important for the external functionality. O_SYN frequency is
f
CLK
/ 2.
This figure shows that the inputs IN0 .. IN15 are written into the data memory at the same
time whereas IN16 .. IN31 are written one O_SYN period (= 2 CLK periods) later. The
value of ICSR 0..15 shifts the sampling points and the signal
“Ld Inp Buffer 1” later in
time (rightwards), the signals “Ld Inp Buffer 2” and “Wr S Memory” remain constant. In
this example with OCSR = 0 the lower Inputs IN0 .. IN15 are written into data memory
before Out15 (and Out31) is read.
With OCSR > 0 all Output Signals (Ld Outp Buffer and following) including the data
(OUT0..15) on the internal data transfer bus is shifted earlier in time (leftwards). Therefor
the data is read out of the data memory earlier.
Due to the internal timing the frame delay is depending on the programmed input / output
time slots and OCSR. The internal delay (number of time slots) can be deduced from
figure 12
and is shown in
table 7
.
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