msm7620 Oki Semiconductor, msm7620 Datasheet - Page 9

• Manufacturer Part Number: msm7620
• Description: Echo Canceler
• Manufacturer: Oki Semiconductor

¡ Semiconductor
(5/5)
32-pin
SSOP
—
—
—
—
Pin
64-pin
QFP
54
55
59
60
Symbol
SF2
OF1
SF1
OF2
Type
O
O
I
I
Parallel data transfer flag.
Parallel data transfer flag.
Refer to the control pin connection example.
Parallel data transfer flag.
Refer to the control pin connection example.
Parallel data output flag.
• Single Chip
• Master Chip in a Cascade Connection
• Slave Chip in a Cascade Connection
• Single Chip
• Master Chip in a Cascade Connection
• Slave Chip in a Cascade Connection
• Single Chip
• Master Chip in a Cascade Connection
• Slave chip in a Cascade Connection
• Single Chip
• Master Chip in a Cascade Connection
• Slave Chip in a Cascade Connection
Connect OF2.
Connect OF1 of the last stage slave chip.
Connect OF1 of master chip for all slave chips.
Refer to the control pin connection example.
Fixed at "H"
Fixed at "H"
Connect OF2 of the master chip to the first stage slave chip.
Connect OF1 of the previous stage slave chip to the second and
later stage slave chips.
Leave this pin open.
Connect to the SF1 of all slaves.
Connect to the SF2 of the next stage slave chip.
Connect the last stage slave chip to the SF1 of the master chip.
Connect to SF1.
Connect to SF2 of the first stage slave chip.
Leave open.
Refer to the control pin connection example.
Description
MSM7620
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