STLC5466 STMicroelectronics, STLC5466 Datasheet - Page 98

• Manufacturer Part Number: STLC5466
• Description: RF Wireless Misc Multi-HDLC Sw Matrix
• Manufacturer: STMicroelectronics
• Type: Telecom ICr

Specifications of STLC5466

• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-176
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

STLC5466
1.1
Figure 1-20: Ex1; different clocks for Multi-HDLC and P
Figure 1-21: Ex2; synchronous clock for Multi-HDLC and P
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Microprocessor, MHDLC, SDRAM clock distribution
External clock generation
MCLK: Master Clock of the Multi-HDLC and
CLK Clock of the SDRAM are the same mandatory.
MCLK, Master Clock of the Multi-HDLC,
Master Clock of the mP and
CLK Clock of the SDRAM are the same.
External clock generation
for mP
50/2 = 25MHz
mP
386EXTB
Internally
50 MHz
mP
mP bus
mP bus
for Multi-HDLC and SDRAM
External clock generation
Multi-HDLC
STLC5466
Multi-HDLC
STLC5466
MCLK
MCLK
SDRAM bus
SDRAM bus
SDRAM
memory
Shared
SDRAM
memory
Shared
CLK
CLK