參數(shù)資料
型號: T90FJR-5VV
廠商: ATMEL CORP
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP128
封裝: PLASTIC, VQFP-128
文件頁數(shù): 15/42頁
文件大小: 358K
代理商: T90FJR-5VV
22
4152B–ASSP–09/05
A/T90FJR
8.4.1.1
AUTOSEL
automatic module selection
uses high order addresses to choose module or external device (using EXTCS)
0
manual selection
1
automatic selection
8.4.1.2
SEL[1:0]
module select
relevant only when AUTOSEL = 0
00
no destination selected
01
select module A
10
select module B
11
select external device using EXTCS
8.4.1.3
XCSMOD
EXTCS signal mode
changing this bit is only allowed when LOCK = 0
retransmit CS signal input from processor when external device is selected or regenerate
EXTCS as done for CE# signal and simultaneously generate IORD# or IOWR#
0
transmit mode
1
regenerate mode
8.4.1.4
XCSLVL
EXTCS output pin active level
changing this bit is only allowed when LOCK = 0
0
EXTCS pin is active-low
1
EXTCS pin is active-high
8.4.1.5
XCSDRV
EXTCS output pin structure
changing this bit is only allowed when LOCK = 0
0
EXTCS buffer is open drain
1
EXTCS buffer is push-pull
8.4.1.6
TSWAP
TS daisy chain order swap (SCM Patent Pending)
0
module A before module B
X
TSWAP
XCSDRV
XCSLVL
XCSMOD
SEL1
SEL0
AUTOSEL
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