ARM AMBA NIC-301 Specifikace stáhnout pdf (Strana 48)

Hardware Description

ID062813 Non-Confidential

SMB_CLKI SMC uses this to adjust

for optimum timing

Motherboard See the Motherboard

Express µATX Technical

Reference Manual

A skew-controlled version of the SMB

clock that is sent from the motherboard

to the SMC in the test chip.

SMB_CLKO SMC clock to

motherboard

OSCCLK 6 See the Motherboard

Express µATX Technical

Reference Manual

Clock to motherboard SMB derived

from SMB_MCLK.

TRACECLKA

TRACECLKB

Trace clocks TPIU 140MHz maximum Clocks to external debug trace

equipment.

Table 2-10 External clock sources (continued)

Test chip signal Function Source

Frequency range

and default

Description

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 177 178

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ARM AMBA NIC-301 Specifikace Strana 48