HFC-S2M Cologne Chip AG, HFC-S2M Datasheet - Page 82

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

HFC-E1
82 of 272
ADDRESS / DATA
16 bit Processor
16 bit Processor
CONTROL
Figure 2.20: 16 bit Intel processor circuitry example (mode 4, multiplexed)
1 6 b i t P r o c e s s o r
( m u l t i p l e x e d m o d e )
RESET
AD15
AD14
AD13
AD12
AD11
AD10
AD09
AD08
AD07
AD06
AD05
AD04
AD03
AD02
AD01
AD00
/RES
/BE1
/BE0
/WR
/INT
ALE
/RD
/CS
Universal external bus interface
R * c a n b e o m i t t e d i f r e s e t
i s a c t i v e d u r i n g p o w e r o n .
R1
R2
+ 3 . 3 V
+ 3 . 3 V
Data Sheet
depends on
application
R3
+ 3 . 3 V
R*
R*
R*
R*
R*
R*
R*
R*
R*
R*
R*
R*
R*
R*
R*
R*
G N D
G N D
+ 3 . 3 V
G N D
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
R*
G N D
+ 3 . 3 V
G N D
G N D
R*
R*
n c
n c
n c
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
HFC-E1
( P r o c e s s o r i n t e r f a c e ,
m o d e 4 , I N T E L m u l t i p l e x e d )
NC
GND
VDD
/INT
M O D E 0
M O D E 1
RESET
GND
NC
/BUSDIR
GND
/WD
ALE
/IOR
/ I O W
/CS
FL0
/BE3
/BE2
/BE1
/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
March 2003 (rev. A)
U1
Cologne
Chip