參數(shù)資料
型號: CL-PS7110-VI-A
廠商: CIRRUS LOGIC INC
元件分類: 微控制器/微處理器
英文描述: Low-Power System-on-a-Chip
中文描述: MROM, RISC MICROCONTROLLER, PQFP208
封裝: VQFP-208
文件頁數(shù): 63/82頁
文件大?。?/td> 1101K
代理商: CL-PS7110-VI-A
May 1997
63
DATA BOOK v1.5
ELECTRICAL SPECIFICATIONS
CL-PS7110
Low-Power System-on-a-Chip
Figure 4-1. Expansion and ROM Read Timing
NOTES:
1)
t
EXRD
= 80 ns for minimum wait states and a main oscillator frequency of 18.432 MHz. This time can be
t
RAC
Access time from RAS
70
ns
t
RP
RAS precharge time
70
ns
t
CAS
CAS pulse width
20
ns
t
CP
CAS precharge in Page mode
12
ns
t
PC
Page mode cycle time
45
ns
t
CSR
CAS set-up time for auto refresh
15
ns
t
RAS
RAS pulse width
80 *
ns
Table 4-2.
AC Characteristics
(cont.)
EXPCLK
BUS HELD
t
5
t
1
t
6
t
4
t
3
t
24
NMOE
A[27:0]
D[31:0]
DATA IN
DATA IN
WORD
NCS[3:0]
CS[7:4]
EXPRDY
t
EXRD
t
EXRD
t
3
t
4
Consecutive expansion read cycles with minimum wait states
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