HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 222

• Manufacturer Part Number: HFC-4S
• Description: Isdn HDLC Fifo Controller With 8 (4) Integrated S/t Interfaces
• Manufacturer: Cologne Chip AG

HFC-4S
HFC-8S
222 of 273
R_BRG_CTRL
Access control register for the auxiliary brigde in memory mapped mode
Note: This register is not used in I/O mapped mode.
2..0
4..3
6..5
7
Bits
0
0
0
Value
Reset
Name
V_BRG_CS
V_BRG_ADDR
(reserved)
V_BRG_CS_SRC
Auxiliary interface
(write only)
Data Sheet
Description
Chip select
High bits of address
Must be ’00’.
This bitmap controls the chip select pins.
’000’ = /BRG_CS0
’001’ = /BRG_CS1
. . .
’111’ = /BRG_CS7
Address bits A[10] and A[11] of the auxiliary
bridge (pins BRG_A10 and BRG_A11 ).
Chip select source
’0’ = address bits A[9..7] are used for chip select
CS[2..0]
’1’ = V_BRG_CS is used for chip select, address
bits A[9..7] are used for address selection
March 2003 (rev. A)
Cologne
Chip
0x45