PT7A6632J PERICOM [Pericom Semiconductor Corporation], PT7A6632J Datasheet - Page 40

• Manufacturer Part Number: PT7A6632J
• Description: PT7A6632 32-Channel HDLC Controller
• Manufacturer: PERICOM [Pericom Semiconductor Corporation]

PT019(05/02)
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Figure 30. Typical Linked Buffer Receive Activity
xxC0
xxC1
xxC2
xxC3
xxFE
xxFF
xx00
Activation
Memory
Rx CH31
Rx CH0
Rx CH1
Command Buffer
Next BF Addr.
FILL/MASK
Command
Modes
1: ATTN goes high.
2: PT7A6632 accesses Activation Memory (xx00).
3: PT7A6632 reads the first buffer s starting address (command
4: PT7A6632 resets ATACK after ATTN goes low.
5: PT7A6632 continues processing command or data buffers as
or data), then sets ATACK, & starts processing that buffer.
controlled by the status of each.
Data Processing Memory
Next BF Addr.
Data Buffer #1
MPTY=1
Length
40
Size
PT7A6632 32-Channel HDLC Controller
Next BF Addr.
Data Buffer #2
MPTY=1
Length
Size
Data Sheet
Ver:2