參數(shù)資料
型號: ADSP-21990
廠商: Analog Devices, Inc.
元件分類: 數(shù)字信號處理
英文描述: 16-bit fixed point DSP with Flash
中文描述: 具有閃存的 16 位定點 DSP
文件頁數(shù): 16/44頁
文件大小: 574K
代理商: ADSP-21990
ADSP-21990
–16–
REV. 0
PF12
PF11
PF10
PF9
PF8
PF7/SPISEL7
PF6/SPISEL6
PF5/SPISEL5
PF4/SPISEL4
PF3/SPISEL3
PF2/SPISEL2
PF1/SPISEL1
PF0/
SPISS
SCK
MISO
MOSI
DT
DR
RFS
TFS
TCLK
RCLK
EIA
EIB
EIZ
EIS
AUX0
AUX1
AUXTRIP
TMR2
TMR1
TMR0
AH
AL
BH
BL
CH
CL
PWMSYNC
PWMPOL
PWMTRIP
PWMSR
AVDD (2 pins)
AVSS (2 pins)
VDDINT (6 pins)
VDDEXT (10 pins)
GND (16 pins)
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT, PD
D, BT
D, BT
D, BT
D, OT
D, I
D, BT
D, BT
D, BT
D, BT
D, I
D, I
D, I
D, I
D, O
D, O
D, I, PD
D, BT
D, BT
D, BT
D, O
D, O
D, O
D, O
D, O
D, O
D, BT
D, I, PU
D, I, PD
D, I, PU
A, P
A, G
D, P
D, P
D, G
General-Purpose IO12
General-Purpose IO11
General-Purpose IO10
General-Purpose IO9
General-Purpose IO8
General-Purpose IO7 / SPI Slave Select Output 7
General-Purpose IO6 / SPI Slave Select Output 6
General-Purpose IO5 / SPI Slave Select Output 5
General-Purpose IO4 / SPI Slave Select Output 4
General-Purpose IO3 / SPI Slave Select Output 3
General-Purpose IO2 / SPI Slave Select Output 2
General-Purpose IO1 / SPI Slave Select Output 1
General-Purpose IO0 / SPI Slave Select Input 0
SPI Clock
SPI Master In Slave Out Data
SPI Master Out Slave In Data
SPORT Data Transmit
SPORT Data Receive
SPORT Receive Frame Sync
SPORT Transmit Frame Sync
SPORT Transmit Clock
SPORT Receive Clock
Encoder A Channel Input
Encoder B Channel Input
Encoder Z Channel Input
Encoder S Channel Input
Auxiliary PWM Channel 0 Output
Auxiliary PWM Channel 1 Output
Auxiliary PWM Shutdown Pin
Timer 0 Input/Output Pin
Timer 1 Input/Output Pin
Timer 2 Input/Output Pin
PWM Channel A HI PWM
PWM Channel A LO PWM
PWM Channel B HI PWM
PWM Channel B LO PWM
PWM Channel C HI PWM
PWM Channel C LO PWM
PWM Synchronization
PWM Polarity
PWM Trip
PWM SR Mode Select
Analog Supply Voltage
Analog Ground
Digital Internal Supply
Digital External Supply
Digital Ground
Table 4. Pin Descriptions (continued)
Pin
Type
Function
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