參數(shù)資料
型號(hào): CN8223EPF
英文描述: ATM/SONET TRANSCEIVER|CMOS|QFP|160PIN|PLASTIC
中文描述: 的ATM / SONET的收發(fā)器|的CMOS | QFP封裝| 160PIN |塑料
文件頁數(shù): 34/161頁
文件大?。?/td> 1865K
代理商: CN8223EPF
14
27
40
54
67
80
107
120
134
147
160
CMOS/TTL
1.0 Product Description
CN8223
1.10 Pin Definitions
ATM Transmitter/Receiver with UTOPIA Interface
1-24
Conexant
100046D
M
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
Address Bus
85
86
87
88
89
90
91
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
I
I
I
I
I
I
I
Seven-bit address input for addressing registers
within the chip. Addresses are loaded when AS~
is low.
C
8KCKI
8 kHz Reference
Clock Input
62
CMOS/TTL
I
Used to synchronize PLCP, and drive ONESECO.
ONESECI
One-Second Clock
Sync
61
CMOS/TTL
I
1 Hz input used to latch line status every one
second.
RCV_HLD
Receiver Hold
Input
123
CMOS/TTL
I
If asserted, this pin stops the cell receiver.
NTEST
Test Input
59
CMOS/TTL
I
Connect to Vcc for normal operation.
TEST1
TEST3
Test Inputs
117
119
CMOS/TTL
CMOS/TTL
I
I
Connect to ground for normal operation.
RESET
Reset
118
CMOS/TTL
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.
ONESECO
One-Second
Output
60
CMOS/TTL
O
One-second count derived from count of 8 kHz
input.
S
VCC
Supply Voltage
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
CMOS/TTL
Eleven pins are provided for supply voltage.
GND
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
Twelve pins are provided for ground.
Table 1-2. Hardware Signal Definitions
(5 of 5)
Pin Label
Signal Name
No.
Type
I/O
Definition
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