cx28560 Mindspeed Technologies, cx28560 Datasheet - Page 72

• Manufacturer Part Number: cx28560
• Description: Hdlc Controller
• Manufacturer: Mindspeed Technologies

Expansion Bus (EBUS)
Figure 3-4. EBUS Connection, Non-Multiplexed Address/Data, 16 Framers, No Local MPU
3-10
NOTE(S):
1. EBEx[3:0]* selects device x in each framer block.
2. EAD[31:0], AS* are supplied to each framer block.
3. EBEx*, AS* are supplied to each chip select block.
EAD[31:0]
EAD[10, 9]
Control
Lines
EBE[3:0]*
In the multiplexed address and data mode, four byte-wide peripheral devices are
connected to the EBUS. In this mode, 8 bits of the 32-bit EBUS transfer data to and
from each device individually.
NOTE:
Select
Logic
Chip
The multiplexed address and data mode example does not allow for 4-byte data
transfers.
EAD[31:24]
EAD[23:16]
EAD[15:8]
EAD[7:0]
EAD[8:0]
dev 0, bank 0
Mindspeed Technologies™
Control
dev 0, bank 1
dev 0, bank 2
dev 0, bank 3
Advance Information
8
Data Addr
CS*
Bt8370
dev 0
9
8
Data Addr
CS*
Bt8370
dev 1
9
8
Data Addr
CS*
Bt8370
dev 2
9
8
Data Addr
CS*
dev 3
Bt8370
9
CX28560 Data Sheet
28560-DSH-001-B
101302_008