Ambassador T8100A, T8102, and T8105
H.100/H.110 Interfaces and Time-Slot Interchangers
Advance Data Sheet
November 1999
Appendix A. Application of Clock Modes (continued)
1.5 MHz DJAT
TODJAT/GP6
FROMDJAT/GP7
NETREF
INT/EXT
SELECT
GP6
GP7
EN_NETREF2
EN_NETREF1
CT_NETREF2
CT_NETREF1
NETREF
DIVIDE-BY-N
NET-
REF
SEL.
DJAT BYPASS
(AND GP6/7 ENABLE)
DIVIDE REGISTER
EN_A
C8
CT_C8_A
÷ BY 8
FRAME
/CT_FRAME_A
EN_B
C8
NETREF
SELECT
CT_C8_B
FRAME
BIT SLIDER
CONTROLS
BIT SLIDER
/CT_FRAME_B
COMPATIBILITY
CLOCKS DIRECTION
/CT_FRAME_A
16.384 MHz
FRAME
SEL.
/CT_FRAME_B
/FR_COMP
FRAME SYNC
STATE
MACHINES
/CT16 ±
4 MHz
2.048 MHz
C2
2 MHz
4.096 MHz
2.048 MHz
4.096 MHz
8.192 MHz
PLL #1
/C4
DPLL
BYPASS
CLOCK
SEL.
RESOURCE
DIVIDE-BY-N
SCLK
L_REF0
PLL #1
DIVIDE REGISTER
65.536 MHz
SCSEL
4.096 MHz
x16
x32
SCLKX2
8.192 MHz
FRAME
CLOCK
RATE SELECT
1.544 MHz
L_REF7
CLOCK
SEL.
MAIN
RESOURCE
SELECT
DIVIDE-BY-N
CT_NETREF
CT_C8
CLKB
AND
/FR_COMP
DIVIDE REGISTER
INPUT
STATE
MACH.
SEC8K
/C16±
PLL #2 BYPASS
FRAME
/C4
C2
2.048 MHz
4.096 MHz
8.192 MHz
16.384 MHz
PLL#2 ÷ 2
SCLK
DIVIDE-
BY-2
SCLKX2
PLL #2
L_SC0
x8
(FALLBACK PATH)
DIVIDE-
BY-4
x16
RATE SELECT
XTALIN
L_SC CTL
(1 OF 4
L_SC[1:3]
NOT SHOWN)
TCLKOUT
SELECT
PRIREFOUT
4MHzIN
3MHzIN
TCLKOUT
ENABLE
TCLKOUT
FRAMERS
JITTER ATTENUATED
MULTICLOCK ADAPTER
5-6132bF
Figure 38. T1, Slave to CT Bus, Clock Source Is Either a 16 MHz or a 4 MHz or a 2 MHz and Frame, NETREF
Source = 1.544 MHz from Trunk
Lucent Technologies Inc.
101
AGERE [ AGERE SYSTEMS ]
