參數(shù)資料
型號(hào): T8100
英文描述: H.100/H.110 Interface and Time-Slot Interchanger
中文描述: H.100/H.110接口和時(shí)隙交換器
文件頁數(shù): 9/92頁
文件大?。?/td> 1450K
代理商: T8100
Lucent Technologies Inc.
7
Preliminary Data Sheet
August 1998
H.100/H.110 Interface and Time-Slot Interchanger
Ambassador T8100
1 Product Overview
(continued)
1.3 Pin Information
(continued)
Table 1. Pin Descriptions: Clocking and Framing Pins
(continued)
Symbol
/C4
Pin
104
Ball
U16
Type
I/O
Name/Description
MVIP4.096 MHz Clock.
8 mA drive, Schmitt in, 50 k
internal pull-up.
MVIP2.048 MHz Clock.
8 mA drive, Schmitt in, 50 k
internal pull-up.
SC-Bus 2/4/8 MHz Clock.
24 mA drive, Schmitt in, 50 k
internal pull-up.
SC-Bus Inverted 4/8 MHz Clock (Active-Low).
24 mA
drive, Schmitt in, 50 k
internal pull-up.
Local Selected Clocks.
1.024 MHz, 2.048 MHz,
4.096 MHz, 8.192 MHz, 16.384 MHz, frame (8 kHz), or sec-
ondary (NETREF). 8 mA drive, 3-state.
Frame Group A.
8 mA drive, 3-state.
C2
106
T17
I/O
SCLK
110
R17
I/O
SCLKX2
108
P15
I/O
L_SC[3:0]
36—33
M3, N1, M2, M1
O
FGA[5:0]
94—99 R12, T13, U14, P12,
R13, T14
87—92 T11, P11, R11, U12,
T12, U13
80—85
U9, R9, U10, T10,
R10, U11
73—78
U6, T7, R8, U7, T8,
O
FGA[11:6]
FGB[5:0]
O
Frame Group B.
8 mA drive, 3-state.
FGB[11:6]
U8
P5
U1
PRIREFOUT
PLL1V
DD
58
53
O
Output from Primary Clock Selector/Divider.
8 mA drive.
PLL #1 VCO Power.
This pin must be connected to power,
even if PLL #1 is not used.
PLL #1 VCO Ground.
This pin must be connected to
ground, even if PLL #1 is not used.
PLL1GND
51
No ball for this
signal, internally
connected.
T3
EN1
55
I
PLL #1 Enable.
Requires cap to V
SS
to form power-on
reset, or may be driven with RESET line. 50 k
internal
pull-up.
PLL #1 Rate Multiplier.
Can be 2.048 MHz or 4.096 MHz.
50 k
internal pull-up.
PLL #2 VCO Power.
This pin must be connected to power
if PLL #2 is not used and 3MHZIN is used. Can be left float-
ing only if both PLL #2 and 3MHZIN are not used.
PLL #2 VCO Ground.
This pin must be connected to
ground if PLL #2 is not used and 3MHZIN is used. Can be
left floating only if both PLL #2 and 3MHZIN are not used.
PLL #2 Enable.
Requires cap to V
SS
to form power-on
reset, or may be driven with RESET line. 50 k
internal
pull-up.
PLL #2 Rate Multiplier.
Input, 50 k
internal pull-up.
16.384 MHz Crystal Connection or External Clock
Input.
16.384 MHz Crystal, Feedback Connection.
Selected output to drive framers. 8 mA drive, 3-state.
4MHZIN
54
U2
I
PLL2V
DD
208
A2
PLL2GND
206
No ball for this
signal, internally
connected.
C2
EN2
3
I
3MHZIN
XTALIN
1
A1
R2
I
I
47
XTALOUT
TCLKOUT
48
203
T1
C4
O
O
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