參數(shù)資料
型號(hào)： T90FJR-5VV
廠商： ATMEL CORP
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝： PLASTIC, VQFP-128
文件頁(yè)數(shù)： 19/42頁(yè)
文件大?。?/td> 358K
代理商： T90FJR-5VV
26
4152B–ASSP–09/05
A/T90FJR
8.6.5
Auto select pattern high : (@03h mod A, @0Ch mod B, @14h Ext)
8.6.6
Auto select pattern low : (@04h mod A, @0Dh mod B, @15h Ext)
8.6.6.1
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.
8.7
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 microprocessor 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, each access type and each direction
with different standard timings (refer to PC Card standard for details about timings).
8.7.1
Memory access cycle time : (@05h mod A, @0Eh mod B)
8.7.1.1
AM[2:0]
attribute memory cycle time used :
000
100ns
001
150ns
010
200ns
011
250ns
100
600ns
101 to 111
reserved. Do not use
This timing is valid for write access. During read access, if AM = 100, 600 ns cycles will be used,
if AM = 0XX, 300ns will be used.
8.7.1.2
CM[2:0]
common memory cycle time used:
000
100ns
001
150ns
X
PA25
PA24
PA23
PA22
PA21
PA20
PA19
PA18
PA17
PA16
PA15
X
AM2
AM1
AM0
X
CM2
CM1
CM0
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