參數(shù)資料
型號(hào): ADSP-2188MBSTZ-266
廠商: Analog Devices Inc
文件頁數(shù): 39/40頁
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 100LQFP
標(biāo)準(zhǔn)包裝: 1
系列: ADSP-21xx
類型: 定點(diǎn)
接口: 主機(jī)接口,串行端口
時(shí)鐘速率: 66MHz
非易失內(nèi)存: 外部
芯片上RAM: 256kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 2.50V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
REV. 0
–8–
ADSP-2188M
Terminating Unused Pins
The following table shows the recommendations for terminating unused pins.
Pin Terminations
I/O 3-State
Reset
Hi-Z
*
Pin Name
(Z)
State
Caused By
Unused Configuration
XTAL
I
Float
CLKOUT
O
Float
A13:1 or
O (Z)
Hi-Z
BR, EBR
Float
IAD 12:0
I/O (Z)
Hi-Z
IS
Float
A0
O (Z)
Hi-Z
BR, EBR
Float
D23:8
I/O (Z)
Hi-Z
BR, EBR
Float
D7 or
I/O (Z)
Hi-Z
BR, EBR
Float
IWR
I
High (Inactive)
D6 or
I/O (Z)
Hi-Z
BR, EBR
Float
IRD
II
BR, EBR
High (Inactive)
D5 or
I/O (Z)
Hi-Z
Float
IAL
I
Low (Inactive)
D4 or
I/O (Z)
Hi-Z
BR, EBR
Float
IS
I
High (Inactive)
D3 or
I/O (Z)
Hi-Z
BR, EBR
Float
IACK
Float
D2:0 or
I/O (Z)
Hi-Z
BR, EBR
Float
IAD15:13
I/O (Z)
Hi-Z
IS
Float
PMS
O (Z)
O
BR, EBR
Float
DMS
O (Z)
O
BR, EBR
Float
BMS
O (Z)
O
BR, EBR
Float
IOMS
O (Z)
O
BR, EBR
Float
CMS
O (Z)
O
BR, EBR
Float
RD
O (Z)
O
BR, EBR
Float
WR
O (Z)
O
BR, EBR
Float
BR
I
High (Inactive)
BG
O (Z)
O
EE
Float
BGH
O
Float
IRQ2/PF7
I/O (Z)
I
Input = High (Inactive) or Program as Output, Set to 1, Let Float
IRQL1/PF6
I/O (Z)
I
Input = High (Inactive) or Program as Output, Set to 1, Let Float
IRQL0/PF5
I/O (Z)
I
Input = High (Inactive) or Program as Output, Set to 1, Let Float
IRQE/PF4
I/O (Z)
I
Input = High (Inactive) or Program as Output, Set to 1, Let Float
SCLK0
I/O
I
Input = High or Low, Output = Float
RFS0
I/O
I
High or Low
DR0
I
High or Low
TFS0
I/O
I
High or Low
DT0
O
Float
SCLK1
I/O
I
Input = High or Low, Output = Float
RFS1/
IRQ0
I/O
I
High or Low
DR1/FI
I
High or Low
TFS1/
IRQ1
I/O
I
High or Low
DT1/FO
O
Float
EE
I
Float
EBR
I
Float
EBG
O
Float
ERESET
I
Float
EMS
O
Float
EINT
I
Float
ECLK
I
Float
ELIN
I
Float
ELOUT
O
Float
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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