HFC-S2M Cologne Chip AG, HFC-S2M Datasheet - Page 44
![no-image](/images/no-image-200.jpg)
HFC-S2M
Manufacturer Part Number
HFC-S2M
Description
Isdn HDLC Fifo Controller With Primary Rate Interface
Manufacturer
Cologne Chip AG
Datasheet
1.HFC-S2M.pdf
(272 pages)
- Current page: 44 of 272
- Download datasheet (3Mb)
HFC-E1
The HFC-E1 has an integrated universal external bus interface which can be configured as
PCI, ISA PnP, PCMCIA, microprocessor interface and SPI. Table 2.2 shows how to select
the bus mode via the two pins MODE0 and MODE1.
The external bus interface supports 8 bit, 16 bit and 32 bit accesses. The available access
types depend on the selected bus mode like shown in Table 2.2.
The sections 2.2 to 2.6 explain how to use the HFC-E1 in the different bus modes.
44 of 272
Bus mode
PCI
PCI memory mapped mode
PCI I/O mapped mode
ISA Plug and Play
PCMCIA
Processor Interface
Mode 2: Motorola
Mode 3: Intel, non-multiplexed
Mode 4: Intel, multiplexed
SPI
( : SPI mode is selected by using processor interface mode and connecting pin 200 to SPI clock.)
Universal external bus interface
MODE1
Table 2.2: Access types
0
1
1
0
0
Data Sheet
MODE0
0
0
1
1
1
8 bit
✓
✓
✓
✓
✓
✓
✓
✓
16 bit
✓
✓
✓
✓
✓
✓
✓
✗
March 2003 (rev. A)
32 bit
✓
✓
✓
✗
✗
✗
✗
✗
Cologne
Chip
Page
47
54
60
63
83
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