HFC-SP Cologne Chip AG, HFC-SP Datasheet - Page 13
HFC-SP
Manufacturer Part Number
HFC-SP
Description
Isdn S/t HDLC Basic Rate Controller
Manufacturer
Cologne Chip AG
Datasheet
1.HFC-SP.pdf
(83 pages)
- Current page: 13 of 83
- Download datasheet (2Mb)
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2.4
2.5
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Pin No.
53
54
55
56
57
58
59
60
63
64
65
66
67
68
69
70
71
72
74
75
76
77
78
50
79
80
82
83
SRAM Interface
Oscillator
SRD0
SRD1
SRD2
SRD3
SRD4
SRD5
SRD6
SRD7
SRA0
SRA1
SRA2
SRA3
SRA4
SRA5
SRA6
SRA7
SRA8
SRA9
SRA10
SRA11
SRA12
SRA13
SRA14
/SRRD
/SRCS
/SRWR
OSC_IN
OSC_OUT
Pin Name
Output
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
Function
SRAM data bus
SRAM data bit 0 (LSB)
SRAM data bit 1
SRAM data bit 2
SRAM data bit 3
SRAM data bit 4
SRAM data bit 5
SRAM data bit 6
SRAM data bit 7 (MSB)
SRAM address bus
SRAM address bus bit 0 (LSB)
SRAM address bus bit 1
SRAM address bus bit 2
SRAM address bus bit 3
SRAM address bus bit 4
SRAM address bus bit 5
SRAM address bus bit 6
SRAM address bus bit 7
SRAM address bus bit 8
SRAM address bus bit 9
SRAM address bus bit 10
SRAM address bus bit 11
SRAM address bus bit 12
SRAM address bus bit 13
SRAM address bus bit 14 (MSB)
SRAM control signals
Read strobe to external device
SRAM chip select
SRAM write enable
Oscillator input or quarz connection
12.288 MHz or 24.576 MHz
Oscillator output or quarz connection
Cologne
Chip
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