Motorola MPC860 PowerQUICC User Manual page 396

Part IV. Hardware Interface
MODCK[1:2]
EXTCLK
XTAL
CRYSTAL
EXTAL
Oscillator (OSCM)
15-2
XFC
2:1
MUX
(¸2)
SPLL
tbs (SCCR)
2:1 mux
(¸4 or ¸16)
rtsel
2:1
MUX
Figure 15-1. Clock Source and Distribution
MPC860 PowerQUICC UserÕs Manual
VDDSYN
vcoout
Low-power
tbclk
rtdiv
¸4
2:1
MUX
¸512
gclk2
gclk1/gclk2
gclk1C/gclk2C
gclk1_50/gclk2_50
dividers
Clock
brgclk
Drivers
syncclk
CLKOUT
CLKOUT
Driver
tmbclk
TMBclk
Driver
RTC /PIT Clock pitrtclk
and DRIVER
MOTOROLA