M66239FP

Rev.1.00 Mar 16, 2005 page 7 of 23

Sync. Clock Generation Operation Timing

Trigger Mode 1 (Negative edge operation: MODE = "H")

∆t

∆t

Vcc

0V

Vcc

0V

VOH

VOL

VOH

VOL

VOH

VOL

∆t

PULSE

MCLK

CKOB

CKO

TR

Figure 1 Trigger Mode 1

Trigger Mode 2 (Positive edge operation: MODE = "L")

∆t

∆t

∆t

Vcc

0V

Vcc

0V

VOH

VOL

VOH

VOL

VOH

VOL

PULSE

MCLK

CKOB

CKO

TR

Figure 2 Trigger Mode 2

Value

α refers to internal delay in M66239FP. Under environment where temperature and VCC do not

change, value

2. Outputs (CKO, CKOB and PULSE) are unknown until twice trigger pulse input TR reaches after power-on.

3. Internal trigger signal is generated by EXOR of TR and MODE signal.