I90135 Datasheet, PDF (6/9 Pages) List of Unclassifed Manufacturers – ADSL Digital Chip

I90135
Product Data Sheet
Version 1.2 (June 1999)
Pin Assignment and Description
Pin
Mnemonic
Type Supply Driver BS
Description
1
VSS
0 Volt GROUND
2
AD_0
B
VDD
BD8SCR B Micro processor interface
3
AD_1
B
VDD
BD8SCR B Address / Data 1
4
AD_2
B
VDD
BD8SCR B Address / Data 2
5
VDD
+3.3 Volts power supply
6
AD_3
B
VDD
BD8SCR B Address / Data 3
7
AD_4
B
VDD
BD8SCR B Address / Data 4
8
VSS
0 Volt GROUND
9
AD_5
B
VDD
BD8SCR B
10
AD_6
B
VDD
BD8SCR B
11
VDD
+3.3 Volts power supply
12
AD_7
B
VDD
BD8SCR B
13
AD_8
B
VDD
BD8SCR B
14
AD_9
B
VDD
BD8SCR B
15
VSS
0 Volt GROUND
16
AD_10
B
VDD
BD8SCR B
17
AD_11
B
VDD
BD8SCR B
18
VDD
+3.3 Volts power supply
19
AD_12
B
VDD
BD8SCR B
20
VSS
0 Volt GROUND
21
PCLK
VDD
IBUF
I Processor clock
22
VDD
+3.3 Volts power supply
23
AD_13
B
VDD
BD8SCR B
24
AD_14
B
VDD
BD8SCR B
25
AD_15
B
VDD
BD8SCR B
26
VSS
0 Volt GROUND
27
BE1
I
VDD
IBUF
I Address [1] input
28
ALE
I
VDD
IBUF
C Used to latch the address of the
internal register to be accessed
29
VDD
+3.3 volts power supply
30
CSB
I
VDD
IBUF
I Chip selected to respond to bus
cycle
31
WR_RDB
I
VDD
IBUF
I Specifies the direction of the access
cycle
32
RDYB
OZ
VDD
BT4CR
O
33
OBC_TYPE
I-PD
VDD
IBUF
I ATC Mode Selection
34
INTB
O
VDD
IBUF
O Requests ATC interrupts service
35
RESETB
I
VDD
IBUF
I Hard reset
36
VSS
0 Volt GROUND
37
VDD
+3.3 Volts power supply
38
U_RxData_0
OZ
VDD
BD8SCR B UTOPIA RX Data 0
39
U_RxData_1
OZ
VDD
BD8SCR B UTOPIA RX Data 1
Integrated Telecom Express, Inc.
6