Reset Type
The way of Reset
Specification
Reset to ASIC (IC2)
OR condition of the following Reset
L active
Power on reset
Reset by the reset IC
Reset IC specifications
Power Supply voltage : 5V
Reset voltage : 4.5V
Reset delay time : 50msec
Over 10msec
Hardware reset from the
EC bus
Reset by EC_RST
Over 10msec
Software reset from the
EC bus
Cancel after a given length of
time
16cycles after EC_CLK
about 2usec
Reset to CPU (IC1)
Software reset from the
EC bus
ASIC (IC2) local reset register
control
L active Over 10msec
to stable PLL)
Reset to Flash
Software reset from the
EC bus
Same as the reset to CPU (IC1) L active Over 500nsec
Reset to T1-IC
(IC302)
Software reset from the
CPU (IC1)
ASIC (IC2) port P2[0] control
L active Over 1
Reset to DSP
(IC303)
Software reset from the
CPU (IC1)
ASIC (IC2) port P2[1] control
L active Over 50
Fig.5.8 A reset schematic diagram
26
Содержание KX-TDA0187
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Страница 35: ...DIODES 11 CABINET AND ELECTRICAL PARTS LOCATION 35 ...
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