SM8702AM
PCI Clock Stop Function
In mobile mode, selected using MODE (pin 7), the PCICLK[0:4] clock outputs can be stopped by external pin
control, in the same way as the CPU clock stop function.
When PCI_STOP# goes LOW, the PCI clock outputs (PCICLK) stop, and when PCI_STOP# goes HIGH, the
PCI clock outputs start. In either case, the PCI_STOP# signal is sampled internally on the rising edge of PCI-
CLK, and the output state transition occurs with 1 PCI clock cycle delay.
CPUCLK
(internal)
PCICLK
(internal)
PCICLK_F
(free-running)
CPU_STOP#
(All "H")
PCI_STOP#
PCICLK
(external)
NIPPON PRECISION CIRCUITS—13