Am186
TM
ER and Am188
TM
ER Microcontrollers Data Sheet
69
DRAFT
34
t
WHDX
Data Hold after WR
35
t
WHDEX
WR Inactive to DEN Inactive
36
t
CKIN
X1 Period
37
t
CLCK
X1 Low Time
38
t
CHCK
X1 High Time
39
t
CKHL
X1 Fall Time
40
t
CKLH
X1 Rise Time
42
t
CLCL
CLKOUTA Period
Numerical Key to Switching Parameter Symbols
Notes:
The following parameters are not defined or used at this time: 41, 56, 60, 73, 74, and 76.
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Parameter
Symbol
t
DVCL
t
CLDX
t
CHSV
t
CLSH
t
CLAV
t
CLAX
t
CLDV
t
CHDX
t
CHLH
t
LHLL
t
CHLL
t
AVLL
t
LLAX
t
AVCH
t
CLAZ
t
CLCSV
Description
Data in Setup
Data in Hold
Status Active Delay
Status Inactive Delay
AD Address Valid Delay
Address Hold
Data Valid Delay
Status Hold Time
ALE Active Delay
ALE Width
ALE Inactive Delay
AD Address Valid to ALE Low
AD Address Hold from ALE Inactive
AD Address Valid to Clock High
AD Address Float Delay
MCS/PCS Active Delay
MCS/PCS Hold from Command
Inactive
MCS/PCS Inactive Delay
DEN Inactive to DT/R Low
Control Active Delay 1
DEN Inactive Delay
Control Active Delay 2
ALE High to Address Valid
AD Address Float to RD Active
RD Active Delay
RD Pulse Width
RD Inactive Delay
RD Inactive to ALE High
RD Inactive to AD address Active
Data Hold Time
Control Inactive Delay
WR Pulse Width
WR Inactive to ALE High
Number
43
44
45
46
47
48
49
50
51
52
53
54
55
57
58
59
Parameter
Symbol
t
CLCH
t
CHCL
t
CH1CH2
t
CL2CL1
t
SRYCL
t
CLSRY
t
ARYCH
t
CLARX
ARYCHL
t
ARYLCL
t
INVCH
t
INVCL
t
CLTMV
t
RESIN
t
HVCL
t
RHDX
Description
CLKOUTA Low Time
CLKOUTA High Time
CLKOUTA Rise Time
CLKOUTA Fall Time
SRDY Transition Setup Time
SRDY Transition Hold Time
ARDY Resolution Transition Setup Time
ARDY Active Hold Time
ARDY Inactive Holding Time
ARDY Setup Time
Peripheral Setup Time
DRQ Setup Time
Timer Output Delay
RES Setup Time
HOLD Setup
RD High to Data Hold on AD Bus
17
t
CXCSX
61
t
LOCK
Maximum PLL Lock Time
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
t
CHCSX
t
DXDL
t
CVCTV
t
CVDEX
t
CHCTV
t
LHAV
t
AZRL
t
CLRL
t
RLRH
t
CLRH
t
RHLH
t
RHAV
t
CLDOX
t
CVCTX
t
WLWH
t
WHLH
62
63
64
65
66
67
68
69
70
71
72
75
77
78
79
80
81
82
83
84
85
86
87
t
CLHAV
t
CHCZ
t
CHCV
t
AVWL
t
AVRL
t
CHCSV
t
CHAV
t
CICOA
t
CICOB
t
CLEV
t
CLSL
t
DVSH
t
SHDX
t
SLDV
t
CHRFD
t
CLCLX
t
CLCSL
t
CLRF
t
COAOB
t
LRLL
t
RFCY
t
LCRF
t
AVBL
HLDA Valid Delay
Command Lines Float Delay
Command Lines Valid Delay (after Float)
A Address Valid to WR Low
A Address Valid to RD Low
CLKOUTA High to LCS/UCS Valid
CLKOUTA High to Address Valid
X1 to CLKOUTA Skew
X1 to CLKOUTB Skew
CLKOUTA Low to SDEN Valid
CLKOUTA Low to SCLK Low
Data Valid to SCLK High
SCLK High to SPI Data Hold
SCLK Low to SPI Data Valid
CLKOUTA High to RFSH Valid
LCS Inactive Delay
LCS Active Delay
CLKOUTA High to RFSH Invalid
CLKOUTA to CLKOUTB Skew
LCS Precharge Pulse Width
RFSH Cycle Time
LCS Inactive to RFSH Active Delay
A Address Valid to WHB, WLB Low