參數(shù)資料
型號: ADSP-21991BSTZ
廠商: Analog Devices Inc
文件頁數(shù): 8/44頁
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 176-LQFP
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標準包裝: 1
系列: ADSP-21xx
類型: 定點
接口: SPI,SSP
時鐘速率: 160MHz
非易失內存: 外部
芯片上RAM: 112kB
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
供應商設備封裝: 176-LQFP(24x24)
包裝: 托盤
ADSP-21991
–16–
REV. 0
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
BH
D, O
PWM Channel B HI PWM
BL
D, O
PWM Channel B LO PWM
CH
D, O
PWM Channel C HI PWM
CL
D, O
PWM Channel C LO PWM
PWMSYNC
D, BT
PWM Synchronization
PWMPOL
D, I, PU
PWM Polarity
PWMTRIP
D, I, PD
PWM Trip
PWMSR
D, I, PU
PWM SR Mode Select
AVDD (2 pins)
A, P
Analog Supply Voltage
AVSS (2 pins)
A, G
Analog Ground
VDDINT (6 pins)
D, P
Digital Internal Supply
VDDEXT (10 pins)
D, P
Digital External Supply
GND (16 pins)
D, G
Digital Ground
Table 4. Pin Descriptions (Continued)
Pin
Type
Function
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