KSZ8842-16MBL-EVAL MICREL [Micrel Semiconductor], KSZ8842-16MBL-EVAL Datasheet - Page 40

• Manufacturer Part Number: KSZ8842-16MBL-EVAL
• Description: 2-Port Ethernet Switch with Non-PCI Interface
• Manufacturer: MICREL [Micrel Semiconductor]

Micrel, Inc.
October 2007
HA[15:2]
HD[7:0]
HA[1]
HA[0]
VDD
Figure 12. Mapping from ISA-like, EISA-like, and VLBus-like transactions to the KSZ8842M Bus
EISA
VLBus
ISA
8-bit Data Bus
Non-burst
KSZ8842-16
A[1]
A[15:2]
D[7:0]
D[15:8]
BE0N
BE1N
Figure 13. KSZ8842M 8-Bit, 16-Bit, and 32-Bit Data Bus Connections
Burst
Glue Logic
Glue Logic
Glue Logic
Glue Logic
HA[15:2]
HD[15:8]
HD[7:0]
nSBHE
HA[1]
HA[0]
(for example: ISA-like)
40
16-bit Data Bus
Note: To use DATACSN & 32-bit only for Central decode
KSZ8842-16
A[1]
A[15:2]
D[7:0]
D[15:8]
BE0N
BE1N
No Addr Latch
(ADSN = 0)
Address Latch
Central decode
Central decode
(VLBUSN = 1)
Address Latch
KSZ8842M BIU
HD[23:16]
HD[31:24]
HD[15:8]
HA[15:2]
nHBE[0]
nHBE[1]
nHBE[2]
nHBE[3]
HD[7:0]
Local
decode
(VLBUSN = 0)
KSZ8842-16/32 MQL/MVL/MVLI/MBL
GND
Local
decode
(for example: EISA-like)
32-bit Data Bus
Asynchronous
Synchronous
Interface
Interface
A[1]
A[15:2]
BE0N
BE1N
BE2N
BE3N
KSZ8842-32
D[7:0]
D[15:8]
D[23:16]
D[31:24]
M9999-102207-1.9