ACS8582 Semtech Corporation, ACS8582 Datasheet - Page 31

• Manufacturer Part Number: ACS8582
• Manufacturer: Semtech Corporation

5. Refer to
Table 11 Output Reference Source Selection Table
Note...1.544 MHz/2.048 MHz are shown for SONET/SDH respectively. Pin SONSDHB controls default, when High SONET is default.
Table 12 Output Frequency Selection
Revision 1.00/March 2008 ©Semtech Corp.
ADVANCED COMMS & SENSING
O1
O2
O3
O4
FrSync
MFrSync TTL/CMOS
Frequency (MHz, unless stated otherwise)
2 kHz
2 kHz
8 kHz
8 kHz
1.536
1.536
1.544
1.544
1.544
1.544
2.048
2.048
2.048
Name
Port
Table
appropriate frequency from either of the APLLs on
each output as required.
(not O4)
(not O4)
(not O4)
(not O4)
via Digital1, or Digital2 (not O1)
via Digital1, or Digital2 (not O1)
(not O4)
13, Frequency Divider Look-up, to select the
LVDS/PECL
(LVDS default)
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
Output Port
Technology
Table 16
and the column headings in
Frequency selection as per Table 12 and Table 16
FrSync, 8 kHz programmable pulse width and polarity, see Reg. 7A.
MFrSync, 2 kHz programmable pulse width and polarity, see Reg. 7A.
T0 DPLL Mode
77.76 MHz Analog
Any digital feedback
mode
77.76 MHz Analog
Any digital feedback
mode
77.76 MHz Analog
Any digital feedback
mode
CONFIDENTIAL
-
-
-
-
-
-
-
FINAL
Page 31
Frequencies Supported
T4 DPLL Mode
12E1 mode
16DS1 mode
12E1 mode
-
16E1 mode
-
-
-
-
-
-
-
-
Select T4 DPLL
Select T0 DPLL 12E1
Select T4 DPLL
Select T0 DPLL
16DS1
Select T4 DPLL
Select T0 DPLL 12E1
Select T4 DPLL
T4 APLL Input Mux
-
-
-
-
-
-
ACS8582
DATASHEET
www.semtech.com
Jitter Level (typ)
1400
1400
3800
3800
500
250
200
150
500
250
400
rms
(ps)
60
60
pk-pk
(ns)
0.6
0.6
2.3
1.5
1.2
1.0
2.3
1.5
2.0
13
18
5
5