參數(shù)資料
型號: T90FJR
廠商: ATMEL CORP
元件分類: 消費家電
英文描述: Dual Common Interface Hardware Controller- CIMax
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝: PLASTIC, QFP-128
文件頁數(shù): 26/41頁
文件大?。?/td> 617K
代理商: T90FJR
26
T90FJR
Rev. A
7-Sep-01
1
register
address bit should match programmed address bit in module auto select pattern
Auto select mask high external : (@12h)
Auto select mask low external : (@13h)
MA[25:15]
address mask for decoding
relevant only when DEF = 0. Doesn
t care if DEF = 1.
0
address bit doesn
t care
1
register
address bit should match programmed address bit in module auto select pattern
DEF
external device default addressing
0
EXTCS asserted when address match mask and pattern
1
active
EXTCS asserted when neither module A nor module B is selected while CS input
Auto select pattern high : (@03h mod A, @0Ch mod B, @14h Ext)
Auto select pattern low : (@04h mod A, @0Dh mod B, @15h Ext)
PA[25:15]
address pattern to match in accordance with address mask to select the corresponding
module. Relevant only when DEF = 0 in external auto select mask. Doesn
t care if
DEF=1.
Access Time Registers
When accessing a module, the CIMaX
regenerates the module control signals and in
the meantime controls the host microprocessor by inserting wait states in the micropro-
cessor cycle or delaying the transfer acknowledge. The read or write cycle time
generated by the CIMaX
to the module can be adjusted individually for each module,
DEF
X
X
X
X
MA25
MA24
MA23
MA22
MA21
MA20
MA19
MA18
MA17
MA16
MA15
X
X
X
X
X
PA25
PA24
PA23
PA22
PA21
PA20
PA19
PA18
PA17
PA16
PA15
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