參數(shù)資料
型號: ADSP-21990BSTZ
廠商: Analog Devices Inc
文件頁數(shù): 9/50頁
文件大?。?/td> 0K
描述: IC DSP CONTROLLER 16BIT 176-LQFP
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標(biāo)準(zhǔn)包裝: 1
系列: ADSP-21xx
類型: 定點(diǎn)
接口: SPI,SSP
時(shí)鐘速率: 160MHz
非易失內(nèi)存: 外部
芯片上RAM: 20kB
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: 176-LQFP
供應(yīng)商設(shè)備封裝: 176-LQFP(24x24)
包裝: 托盤
ADSP-21990
Rev. A
|
Page 17 of 50
|
August 2007
VIN7
A, I
ADC Input 7
ASHAN
A, I
Inverting SHA_A Input
BSHAN
A, I
Inverting SHA_B Input
CAPT
A, O
Noise Reduction Pin
CAPB
A, O
Noise Reduction Pin
VREF
A, I, O
Voltage Reference Pin (Mode Selected by State of SENSE)
SENSE
A, I
Voltage Reference Select Pin
CML
A, O
Common-Mode Level Pin
CONVST
D, I
ADC Convert Start Input
PF15
D, BT, PD
General-Purpose IO15
PF14
D, BT, PD
General-Purpose IO14
PF13
D, BT, PD
General-Purpose IO13
PF12
D, BT, PD
General-Purpose IO12
PF11
D, BT, PD
General-Purpose IO11
PF10
D, BT, PD
General-Purpose IO10
PF9
D, BT, PD
General-Purpose IO9
PF8
D, BT, PD
General-Purpose IO8
PF7/SPISEL7
D, BT, PD
General-Purpose IO7/SPI Slave Select Output 7
PF6/SPISEL6
D, BT, PD
General-Purpose IO6/SPI Slave Select Output 6
PF5/SPISEL5
D, BT, PD
General-Purpose IO5/SPI Slave Select Output 5
PF4/SPISEL4
D, BT, PD
General-Purpose IO4/SPI Slave Select Output 4
PF3/SPISEL3
D, BT, PD
General-Purpose IO3/SPI Slave Select Output 3
PF2/SPISEL2
D, BT, PD
General-Purpose IO2/SPI Slave Select Output 2
PF1/SPISEL1
D, BT, PD
General-Purpose IO1/SPI Slave Select Output 1
PF0/SPISS
D, BT, PD
General-Purpose IO0/SPI Slave Select Input 0
SCK
D, BT
SPI Clock
MISO
D, BT
SPI Master In Slave Out Data
MOSI
D, BT
SPI Master Out Slave In Data
DT
D, OT
SPORT Data Transmit
DR
D, I
SPORT Data Receive
RFS
D, BT
SPORT Receive Frame Sync
TFS
D, BT
SPORT Transmit Frame Sync
TCLK
D, BT
SPORT Transmit Clock
RCLK
D, BT
SPORT Receive Clock
EIA
D, I
Encoder A Channel Input
EIB
D, I
Encoder B Channel Input
EIZ
D, I
Encoder Z Channel Input
EIS
D, I
Encoder S Channel Input
AUX0
D, O
Auxiliary PWM Channel 0 Output
AUX1
D, O
Auxiliary PWM Channel 1 Output
AUXTRIP
D, I, PD
Auxiliary PWM Shutdown Pin
TMR2
D, BT
Timer 0 Input/Output Pin
TMR1
D, BT
Timer 1 Input/Output Pin
TMR0
D, BT
Timer 2 Input/Output Pin
AH
D, O
PWM Channel A HI PWM
AL
D, O
PWM Channel A LO PWM
Table 4. Pin Descriptions (Continued)
Name
Type
Function
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