zl30121 Zarlink Semiconductor, zl30121 Datasheet - Page 17

• Manufacturer Part Number: zl30121
• Description: Sonet/sdh Low Jitter System Synchronizer
• Manufacturer: Zarlink Semiconductor

The supported frequencies for the output clocks and frame pulses are shown in Table 4.
1. M= -128 to 127 defined as an 8-bit two’s complement value. +ve values divide, -ve values multiply
2. N = 0 to 9270, N = 0 selects 2 kH
155.52 MHz
311.04 MHz
622.08 MHz
19.44 MHz
38.88 MHz
51.84 MHz
77.76 MHz
(LVPECL)
diff0_p/n,
6.48 MHz
diff1_p/n
(LVCMOS)
12.96 MHz
19.44 MHz
25.92 MHz
38.88 MHz
51.84 MHz
77.76 MHz
sdh_clk0,
sdh_clk1
6.48 MHz
9.72 MHz
Table 4 - Output Clock and Frame Pulse Frequencies
(up to 77.76 MHz)
p0_clk0, p1_clk0
Zarlink Semiconductor Inc.
(LVCMOS)
N * 8 kHz
ZL30121
2 kHz
17
2
(Up to 77.76 MHz)
p
p0_clk1, p1_clk1
x
_clk1 =
(LVCMOS)
p
x
_clk0
2
M
1
(48x 125 2s frames)
sdh_fp0, shd_fp1,
p0_fp0, p0_fp1
(LVCMOS)
166.67 Hz
400 Hz
32 kHz
64 kHz
1 kHz
2 kHz
4 kHz
8 kHz
Data Sheet