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Fig. 12-31 Block Diagram 1 for Automatic Addition Control Plus Ring Control
(Constant-Speed Rotation with Phases 1 and 2 Excitation)
64K memory space
0B000
0B001
Output data
(8 pieces)
•
•
•
0B007
∆t
Output timing: 0B100
Addition
Compare register
CR10
8-bit timer/counter 1
TM1
D0
D1
•
•
•
D7
•
•
•
Buffer register
P0L
INTC10
Coincidence
Chapter 12 Interrupt Functions
MSC
Ring counter (RC)
Modulo register (MR) 08
MPDL
MPDH
MPTL
0FECFH
MPTH
•
•
•
Mode register
Channel pointer
P0
–1
FF
–1
08
Macro service
+1
00
channel
B0
00
B1
CE
Macro service
control word
CF
P00
P01
To stepper motor
P02
P03
339
12
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