參數資料
型號: MC68838FCC
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 125M bps, FDDI CONTROLLER, CQFP120
封裝: CERAMIC, QFP-120
文件頁數: 91/100頁
文件大?。?/td> 465K
代理商: MC68838FCC
11-4
MC68838 USER’S MANUAL
MOTOROLA
11.6 MAC-FSI TIMING (see Figure 11-2)
Num
Characteristic
Min
M a x
Unit
16
BYTCLK High to RPATH and RCCTL Valid
2
25
ns
17
RABORT/RABORT2 Setup Time *
5
ns
18
RABORT/RABORT2 Hold Time *
13
ns
20
BYTCLK High to RPRITY Valid
5
35
ns
21
TPATH, TXCTL, TPRITY Setup Time *
5
ns
22
TPATH, TXCTL, TPRITY Hold Time *
13
ns
23
BYTCLK High to TXRDY or TABORT Valid
2
25
ns
24
BYTCLK High to TXRDY or TABORT Invalid
2
25
ns
NOTE:
* Timing relative to the falling edge of SYMCLK when BYTCLK is low.
BYTCLK
(NPCLK)
80 NS
RABORT/
RABORT2
RPATH,
RCCTL
18
RPRITY
TPATH,
TXCTL,
TPRITY
21
TXRDY,
TABORT
SYMCLK
20
24
23
17
16
22
Figure 11-2. MAC-FSI Timing
ARCHIVE
INFORMA
TION
ARCHIVE
INFORMA
TION
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