MT90871 Zarlink Semiconductor, MT90871 Datasheet - Page 35

• Manufacturer Part Number: MT90871
• Description: Flexible 8K Digital Switch (F8KDX)
• Manufacturer: Zarlink Semiconductor

Data Sheet
2-0
Bit
MS(2:0)
Name
(c)
(d)
(a)
(b)
Frame Pulse Width = 122ns,
Control Register Bit8 (FPW) = 0
Control Register Bit6 (C8IPOL) = 0
Frame Pulse Width = 122ns,
Control Register Bit8 (FPW) = 0
Control Register Bit6 (C8IPOL) = 1
Frame Pulse Width = 244ns,
Control Register Bit8 (FPW) = 1
Control Register Bit6 (C8IPOL) = 0
Frame Pulse Width = 244ns,
Control Register Bit8 (FPW) = 1
Control Register Bit6 (C8IPOL) = 1
FP8i_b
FP8i_b
FP8i_b
FP8i_b
C8i_b
C8i_b
C8i_b
C8i_b
Reset
0
Figure 17 - Frame Boundary Conditions, ST- BUS Operation
Memory Select Bits.
These three bits select the connection or data memory for subsequent micro-port
memory access operations:
000, Local Connection Memory (LCM) is selected for Read or Write operations.
001, Backplane Connection Memory (BCM) is selected for Read or Write
operations. 010, Local Data Memory is selected for Read-only operation. 011,
Backplane Data Memory is selected for Read-only operation.
Table 13- Control Register Bits (continued)
Zarlink Semiconductor Inc.
Frame Boundary
Description
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