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28222-13 View Datasheet(PDF) - Conexant Systems

Part Name
Description
Manufacturer
28222-13 Datasheet PDF : 161 Pages
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1.0 Product Description
1.10 Pin Definitions
CN8223
ATM Transmitter/Receiver with UTOPIA Interface
Table 1-2. Hardware Signal Definitions (5 of 5)
Pin Label
Signal Name No.
A[1]
Address Bus
85
A[2]
86
A[3]
87
A[4]
88
A[5]
89
A[6]
90
A[7]
91
Type
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
I/O
Definition
I Seven-bit address input for addressing registers
I within the chip. Addresses are loaded when AS~
I is low.
I
I
I
I
8KCKI
ONESECI
RCV_HLD
NTEST
TEST1
TEST3
RESET
ONESECO
VCC
GND
8 kHz Reference
62
Clock Input
One-Second Clock 61
Sync
Receiver Hold
123
Input
Test Input
59
Test Inputs
117
119
Reset
118
One-Second
60
Output
Supply Voltage
14
27
40
54
67
80
107
120
134
147
160
Ground
1
13
26
41
53
66
81
93
106
121
133
146
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
I Used to synchronize PLCP, and drive ONESECO.
I 1 Hz input used to latch line status every one
second.
I If asserted, this pin stops the cell receiver.
I Connect to Vcc for normal operation.
I Connect to ground for normal operation.
I
I Active-high pulse on power-up for at least
100 ns. This pin resets the internal state
machines. It does not affect the contents of the
registers, except bit 9 of register 0x02.
O One-second count derived from count of 8 kHz
input.
Eleven pins are provided for supply voltage.
Twelve pins are provided for ground.
1-24
Conexant
100046C
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