HFC-S2M Cologne Chip AG, HFC-S2M Datasheet - Page 85

• Manufacturer Part Number: HFC-S2M
• Description: Isdn HDLC Fifo Controller With Primary Rate Interface
• Manufacturer: Cologne Chip AG

2.6.2 SPI connection circuitry
March 2003 (rev. A)
HFC-E1
Power
Signal
SPI
SPI
/SPISEL
SPI_RX
SPI_TX
RESET
+3.3V
GND
/INT
CLK
R11
Universal external bus interface
Figure 2.24: SPI connection circuitry
R14
R15
R16
+ 3 . 3 V
+ 3 . 3 V
G N D
1 M
1 M
1 M
1 M
G N D
R3
R1
Data Sheet
1 0 k
R4
+ 3 . 3 V
R5
R6
R7
R8
R9
R13
R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R47
R48
R49
G N D
R2
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
1 M
+ 3 . 3 V
G N D
196
195
194
197
100
198
200
203
204
205
206
99
26
25
23
24
21
22
20
27
18
30
40
10
11
14
15
16
17
31
32
33
34
36
37
38
39
43
44
45
46
48
49
50
51
7
6
1
2
3
4
8
9
U1
HFC-E1
SPI_TX
SPI_RX
/SPISEL
/INT
M O D E 0
M O D E 1
RESET
SPICLK
SERR#
PERR#
IDSEL
DEVSEL#
STOP#
VDD
TRDY#
GND
PAR
C/BE3#
C/BE2#
C/BE1#
C/BE0#
AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24
AD23
AD22
AD21
AD20
AD19
AD18
AD17
AD16
AD15
AD14
AD13
AD12
AD11
AD10
AD9
AD8
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
Cologne
Chip
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