參數(shù)資料
型號: MT90500
廠商: Mitel Networks Corporation
英文描述: Multi-Channel ATM AAL1 SAR
中文描述: 多通道自動柜員機AAL1特區(qū)
文件頁數(shù): 124/159頁
文件大?。?/td> 514K
代理商: MT90500
MT90500
124
6.2.3
CPU Interface - Accessing Registers and External Memory
Table 84 - Intel Microprocessor Interface Timing - Read Cycle Parameters
Characteristic
Sym
Min
Typ
Max
Units
Test Conditions
Address Setup
- (AEM and A[15:1]
VALID) to (CS and RD asserted)
t
ADDS
0
ns
Address Hold
- (CS or RD de-
asserted) to (AEM and A[15:1]
INVALID)
t
ADDH
0
ns
RDY De-asserted
- (CS and RD
asserted) to RDY de-asserted
t
RDY
21
ns
1) ~ 1 MCLK cycle + 4 ns
2) C
L
= 50 pF
RDY Delay
- (CS and RD asserted)
to RDY asserted
t
RDYD
100
360
1000
ns
1) 6 MCLK < t
RDYD
< 60 MCLK
2) C
L
= 50 pF
Data Output Setup
- D[15:0] VALID
to RDY asserted
t
DS
15
ns
1) ~ 1 MCLK cycle - 1 ns
2) C
L
= 50 pF
Data Output Hold
- (CS or RD de-
asserted) to D[15:0] INVALID
t
DH
3
15
ns
1) Min. measurement is to D[15:0]
INVALID; max. measurement is to
D[15:0] high-impedance
2) C
L
= 50 pF
Note 1:
MCLK = 60 MHz (16.6 ns).
Note 2:
Both CS and RD must be asserted for a read cycle to occur. A read cycle is completed when either CS or RD is de-asserted.
Note 3:
There should be a minimum of 4 MCLK periods between CPU accesses, to allow the MT90500 to recognize the accesses as
separate.
RD
V
TT
Figure 51 - Intel CPU Interface Timing - Read Access
CS
WR
V
TT
V
TT
A[15:1]
AEM
V
TT
ADDRESS VALID
t
ADDS
t
ADDH
V
TT
RDY
t
RDY
t
RDYD
D[15:0]
V
TT
DATA VALID
t
DH
t
DS
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相關代理商/技術參數(shù)
參數(shù)描述
MT90500AL 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Multi-Channel ATM AAL1 SAR
MT90500AL-ENG1 制造商:Mitel Networks Corporation 功能描述:
MT90502 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Multi-Channel AAL2 SAR
MT90502_06 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Multi-Channel AAL2 SAR
MT90502AG 制造商:Rochester Electronics LLC 功能描述: 制造商:Zarlink Semiconductor Inc 功能描述: