參數(shù)資料
型號： ADSP-2186M
廠商： Analog Devices, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection
中文描述： 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護(hù)
文件頁數(shù)： 8/40頁
文件大小： 288K
代理商： ADSP-2186M
REV. 0
–8–
ADSP-2186M
Terminating Unused Pins
The following table shows the recommendations for terminating unused pins.
Pin Terminations
I/O 3-State
(Z)
Reset
State
Hi-Z
*
Caused By
Pin Name
Unused Configuration
XTAL
CLKOUT
A13:1 or
IAD12:0
A0
D23:8
D7 or
IWR
D6 or
IRD
D5 or
IAL
D4 or
IS
D3 or
IACK
D2:0 or
IAD15:13
PMS
DMS
BMS
IOMS
CMS
RD
WR
BR
BG
BGH
IRQ2
/
PF7
IRQL1
/
PF6
IRQL0
/
PF5
IRQE
/
PF4
SCLK0
RFS0
DR0
TFS0
DT0
SCLK1
RFS1/
IRQ0
DR1/FI
TFS1/
IRQ1
DT1/FO
EE
EBR
EBG
ERESET
EMS
EINT
ECLK
ELIN
ELOUT
I
O
O (Z)
I/O (Z)
O (Z)
I/O (Z)
I/O (Z)
I
I/O (Z)
I
I/O (Z)
I
I/O (Z)
I
I/O (Z)
I
O
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
I
Hi-Z
I
Hi-Z
I
Hi-Z
I
Hi-Z
Float
Float
Float
Float
Float
Float
Float
High (Inactive)
Float
High (Inactive)
Float
Low (Inactive)
Float
High (Inactive)
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
High (Inactive)
Float
Float
Input = High (Inactive) or Program as Output, Set to 1, Let Float
Input = High (Inactive) or Program as Output, Set to 1, Let Float
Input = High (Inactive) or Program as Output, Set to 1, Let Float
Input = High (Inactive) or Program as Output, Set to 1, Let Float
Input = High or Low, Output = Float
High or Low
High or Low
High or Low
Float
Input = High or Low, Output = Float
High or Low
High or Low
High or Low
Float
Float
Float
Float
Float
Float
Float
Float
Float
Float
BR
,
EBR
IS
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
I/O (Z)
I/O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
O (Z)
I
O (Z)
O
I/O (Z)
I/O (Z)
I/O (Z)
I/O (Z)
I/O
I/O
I
I/O
O
I/O
I/O
I
I/O
O
I
I
O
I
O
I
I
I
O
Hi-Z
Hi-Z
O
O
O
O
O
O
O
I
O
O
I
I
I
I
I
I
I
I
O
I
I
I
I
O
I
I
O
I
O
I
I
I
O
BR
,
EBR
IS
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
BR
,
EBR
EE
NOTES
*
Hi-Z = High Impedance.
1. If the CLKOUT pin is not used, turn it OFF, using CLKODIS in SPORT0 autobuffer control register.
2. If the Interrupt/Programmable Flag pins are not used, there are two options: Option 1: When these pins are configured as INPUTS at reset and function as inter-
rupts and input flag pins, pull the pins High (inactive). Option 2: Program the unused pins as OUTPUTS, set them to 1, prior to enabling interrupts, and let pins float.
3. All bidirectional pins have three-stated outputs. When the pin is configured as an output, the output is Hi-Z (high impedance) when inactive.
4. CLKIN,
RESET
, and PF3:0/MODE D:A are not included in the table because these pins must be used.
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