參數(shù)資料
型號: SSD1905QT2
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Graphics Controller CMOS
中文描述: LCD圖形控制器的CMOS
文件頁數(shù): 82/153頁
文件大?。?/td> 863K
代理商: SSD1905QT2
SSD1905
Rev 1.3
10/2002
SOLOMON
73
Table 10-8 : Motorola DragonBall Interface without DTACK# Timing
Symbol
f
CLKO
T
CLKO
t
1
t
2
t
3
Parameter
MC68EZ328
Min
1/f
CLKO
28.1
28.1
0
MC68VZ328
Min
1/f
CLKO
13.6
13.6
0
Units
MHz
ns
ns
ns
ns
Max
16
Max
33
Bus Clock frequency
Bus Clock period
Clock pulse width high
Clock pulse width low
A[16:1] setup 1st CLKO when CSX# = 0 and
either UWE#/LWE# or OE# =0
A[16:1] hold from CSX# rising edge
CSX# asserted for MCLK = BCLK
CSX# asserted for MCLK = BCLK
÷
2
CSX# asserted for MCLK = BCLK
÷
3
CSX# asserted for MCLK = BCLK
÷
4
CSX# setup to CLKO rising edge
CSX# rising edge to CLKO rising edge
UWE#/LWE# falling edge to CLKO rising
edge
UWE#/LWE# rising edge to CSX# rising
edge
OE# falling edge to CLKO rising edge
OE# hold from CSX# rising edge
D[15:0] setup to 3rd CLKO when CSX#,
UWE#/LWE# asserted (write cycle) (see
note 1)
D[15:0] hold from CSX# rising edge(write
cycle)
Falling edge of OE# to D[15:0] driven
(read cycle)
1st CLKO rising edge after OE# and
CSX# asserted low to D[15:0] valid for
MCLK = BCLK (read cycle)
1st CLKO rising edge after OE# and
CSX# asserted low to D[15:0] valid for
MCLK = BCLK
÷
2 (read cycle)
1st CLKO rising edge after OE# and
CSX# asserted low to D[15:0] valid for
MCLK = BCLK
÷
3 (read cycle)
1st CLKO rising edge after OE# and
CSX# asserted low to D[15:0] valid for
MCLK = BCLK
÷
4 (read cycle)
CLKO rising edge to D[15:0] output Hi-Z
(read cycle)
t
4
t
5a
t
5b
t
5c
t
5d
t
6
t
7
t
8
0
0
0
0
0
0
0
0
ns
13
18
23
28
13
18
23
28
T
CLKO
T
CLKO
T
CLKO
T
CLKO
ns
ns
ns
t
9
0
0
ns
t
10
t
11
t
12
1
0
0
1
0
0
ns
ns
ns
t
13
0
0
ns
t
14
3
15
3
15
ns
t
15a
13
13
T
CLKO
t
15b
18
18
T
CLKO
t
15c
23
23
T
CLKO
t
15d
28
28
T
CLKO
t
16
2
12
2
12
ns
Note
1 t
12
is the delay from when data is placed on the bus until the data is latched into the write buffer.
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