HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 35

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

March 2003 (rev. A)
HFC-4S
HFC-8S
Pin
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
Interface
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
1st function
2nd function
SRA15
/BRG_CS3
SRA16
/BRG_CS4
SRA17
/BRG_CS5
SRA18
/BRG_CS6
NC
/BRG_CS7
SRD0
BRG_D0
SRD1
BRG_D1
SRD2
BRG_D2
SRD3
BRG_D3
SRD4
BRG_D4
SRD5
BRG_D5
SRD6
BRG_D6
SRD7
BRG_D7
/SR_WR
/BRG_WR
/SR_OE
/BRG_RD
Name
GND
VDD
/SR_CS
GND
VDD
OSC_IN
OSC_OUT
I/O
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
General description
Bridge Chip Select 3
Bridge Chip Select 4
Bridge Chip Select 5
Bridge Chip Select 6
Bridge Chip Select 7
Data bit 0 for external SRAM
Bridge Data bit 0
Data bit 1 for external SRAM
Bridge Data bit 1
Data bit 2 for external SRAM
Bridge Data bit 2
Data bit 3 for external SRAM
Bridge Data bit 3
Data bit 4 for external SRAM
Bridge Data bit 4
Data bit 5 for external SRAM
Bridge Data bit 5
Data bit 6 for external SRAM
Bridge Data bit 6
Data bit 7 for external SRAM
Bridge Data bit 7
Write enable for external SRAM
Bridge Write enable / RD/WR
Output enable for external SRAM
Bridge Read enable / /DS
Description
Address bit 15 for external SRAM
Address bit 16 for external SRAM
Address bit 17 for external SRAM
Address bit 18 for external SRAM
Ground
+3.3 V power supply
Chip Select for external SRAM
Ground
+3.3 V power supply
Oscillator Input Signal
Oscillator Output Signal
Data Sheet
Clock
(continued from previous page)
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
LVCMOS
(continued on next page)
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Cologne
Chip
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