ADSP-21990 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'ADSP-21990' PDF : 50 Pages View PDF
ADSP-21990
Table 4. Pin Descriptions (Continued)
Name
BH
BL
CH
CL
PWMSYNC
PWMPOL
PWMTRIP
PWMSR
AVDD (2 pins)
AVSS (2 pins)
VDDINT (6 pins)
VDDEXT (10 pins)
GND (16 pins)
Type
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
Function
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
Rev. A | Page 18 of 50 | August 2007
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