參數(shù)資料
型號(hào): EP7211
廠商: Cirrus Logic, Inc.
英文描述: HIGH-PERFORMANCE ULTRA-LOW-POWER SYSTEM-ON-CHIP WITH LCD CONTROLLER
中文描述: 高性能超低功耗系統(tǒng)與LCD控制器芯片
文件頁數(shù): 134/166頁
文件大?。?/td> 2623K
代理商: EP7211
EP7211
High-Performance Ultra-Low-Power System-on-Chip with LCD Controller
134
Electrical Specifications
DS352PP3
JUL 2001
6.4
AC Characteristics
All characteristics are specified at V
DD
= 2.3 to 2.7 volts and V
SS
= 0 volts over an operating
temperature of 0
°
C to +70
°
C. Those characteristics marked with a # will be significantly different
for 13 MHz mode because the
EXPCLK
is provided as an input rather than generated internally.
These timings are estimated at present. The timing values are referenced to 1/2 V
DD
.
Table 6-2. AC Timing Characteristics
Symbol
Parameter
13 MHz
18/36 MHz
Units
Min
Max
Min
Max
T1
Falling CS to data bus Hi-Z
0
35
0
25
ns
T2
Address change to valid write data
0
45
0
35
ns
T3
DATA in to falling EXPCLK setup time
0 #
18
ns
T4
DATA in to falling EXPCLK hold time
10 #
0
ns
T5
EXPRDY to falling EXPCLK setup time
0 #
18
ns
T6
Falling EXPCLK to EXPRDY hold time
10 #
50
0
50
ns
T7
Rising NMWE to data invalid hold time
10
5
ns
T8
Sequential data valid to falling NMWE setup time
10
10
10
10
ns
T9
Row address to falling NRAS setup time
5
5
ns
T10
Falling NRAS to row address hold time
25
25
ns
T11
Column address to falling NCAS setup time
2
2
ns
T12
Falling NCAS to column address hold time
25
25
ns
T13
Write data valid to falling NCAS setup time
2
2
ns
T14
Write data valid from falling NCAS hold time
50
50
ns
T15
LCD CL2 low time
80
3,475
80
3,475
ns
T16
LCD CL2 high time
80
3,475
80
3,475
ns
T17
LCD falling CL2 to rising CL1 delay
0
25
0
25
ns
T18
LCD falling CL1 to rising CL2
80
3,475
80
3,475
ns
T19
LCD CL1 high time
80
3,475
80
3,475
ns
T20
LCD falling CL1 to falling CL2
200
6,950
200
6,950
ns
T21
LCD falling CL1 to FRM toggle
300
10,425
300
10,425
ns
T22
LCD falling CL1 to M toggle
10
20
10
20
ns
T23
LCD rising CL2 to display data change
10
20
10
20
ns
T24
Falling EXPCLK to address valid
33 #
5
ns
相關(guān)PDF資料
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