參數(shù)資料
型號(hào): CL-PS7110
廠商: Cirrus Logic, Inc.
英文描述: Low-Power System-on-a-Chip
中文描述: 低功耗系統(tǒng)級(jí)晶片
文件頁(yè)數(shù): 67/82頁(yè)
文件大?。?/td> 1101K
代理商: CL-PS7110
May 1997
67
DATA BOOK v1.5
ELECTRICAL SPECIFICATIONS
CL-PS7110
Low-Power System-on-a-Chip
4)
t
CAS
(CAS pulse width) = 25 ns minimum at MCLK = 18.432 MHz
t
CP
(CAS precharge in Page mode = 80 ns minimum at MCLK = 18.432 MHz
t
PC
(Page mode cycle time) = 100 ns minimum at MCLK = 18.432 MHz
Word writes shown, for byte writes only one of CAS[3:0] is active, CAS0 for byte 0, etc.
5)
6)
7)
Figure 4-5. Video Quad Word Read
NOTES:
1)
Timings are the same as Page mode word reads.
2)
t
VACC
(video access cycle time) = 326 ns at MCLK = 18.432 MHz
CAS[3:0]
D[31:0]
NMOE
RAS0
Video quad-word read (MCLK shown for reference only)
MCLK
ROW
COL 0
COL 1
t
RP
t
CAS
t
CP
t
PC
NMWE
DRA[12:0]
COL 2
COL 3
0
t
VACC
1
2
3
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