Electronics America Computer Hardware User Manual

342
µ PD78214 Sub-Series
Fig. 12-34 Timing Chart 2 for Automatic Addition Control Plus Ring Control
(with the Output Timing Varied by Phase 2 Excitation)
∆t9
T1
T0+∆t1
T2
T1+∆t2
T3
T2+∆t3
T4
T3+∆t4
T5
T4+∆t5
T6
T5+∆t6
T7
T6+∆t7
T8
T7+∆t8
T9
T8+∆t9
T0
D2 D3 D0 D1 D2 D3 D0 D1 D2
D1
∆t8
∆t6
∆t5
∆t4
∆t3
∆t1
∆t2
T0
0H
TM1 count value
INTC10
Compare register
(CR10)
Buffer register
P0L
P00
P01
P02
P03
∆t7
Count starts
FFH
Remark Select a mode which increments the MPT.