cx29503 Mindspeed Technologies, cx29503 Datasheet - Page 116

• Manufacturer Part Number: cx29503
• Description: Cx29503 Broadband Access Multiplexer Data Sheet
• Manufacturer: Mindspeed Technologies

Clock Sources and Clock Configurations
4.8
Table 4-13. DS1/E1 System and DS1/E1 Microprocessor Clock Configurations
4-12
DS1/E1 System Clock
(SYSCKI)
DS1/E1 Microprocessor
Clock (MCLK)
FOOTNOTE:
(1)
TXE3_CLKSEL is located in Clock Configuration register
Description
DS1/E1 System and Microprocessor Clocks
The clocks for the DS1/E1 system and microprocessor clocks are derived as shown in
Figure
Figure 4-5. DS1/E1 System Clock and Microprocessor Clock Sources
22.368
17.184
22.368
34.368
(MHz)
4-5. The clock frequencies depend on the configurations as listed in
Freq.
25.92
25.92
CLK_TXDS3
CLK_TXE3
TXHSCLK
Mindspeed Technologies™
TXE3_CLKSEL
Preliminary Information
(default = 0)
0
1
SIB_TXHSCLK / 2
SIB_TXHSCLK / 2
(Section
CLK_TXDS3 / 2
CLK_TXDS3 / 2
Clock Source
CLK_TXE3 / 2
CLK_TXE3
CK_SRC[0:1]
8.8).
0, 1
2, 3
Divide
Down
CK_SRC[1:0] pins = 0 × 0 or 0 × 1
CK_SRC[1:0] pins = 0 × 2 or 0 × 3
CK_SRC[1:0] pins = 0 × 2 or 0 × 3
CK_SRC[1:0] pins = 0 × 0 or 0 × 1
CK_SRC[1:0] pins = 0 × 2 or 0 × 3
CK_SRC[1:0] pins = 0 × 2 or 0 × 3
SYSCI
MCLK
TXE3_CLKSEL = 0 × 0
TXE3_CLKSEL = 0 × 1
TXE3_CLKSEL = 0 × 0
TXE3_CLKSEL = 0 × 1
Configuration Bits
Framers
DS1/E1
CX29503 Data Sheet
29503-DSH-002-B
(1)
Table
100702_036
4-13.