BU64562GWZ Datasheet, PDF (12/24 Pages) Rohm – Piezoelectric Actuator Driver

BD64562GWZ
Table 6. Driving waveform basic cycle setting [cntck] (Normal sequence only)
cntck[2:0]
Cycle
number
cntck[2:0]
Cycle
number
cntck[2:0]
0x0
1
0x2
4
0x4
0x1
2
0x3
8
0x5
Cycle
number
15
32
Datasheet
cntck[2:0]
0x6
0x7
Cycle
number
64
127
Table 7. Driving waveform count setting [cnt]
count
cnt[15:0]
cycle
cnt[15:0]
number
0x0000
-
0x4000
0x0001
-
0x4001
0x0002
2
0x4002
0x0003
3
0x4003
…
…
…
0x3FFD
16381
0x7FFD
0x3FFE
16382
0x7FFE
0x3FFF
16383
0x7FFF
count
cycle
number
16384
16385
16386
16387
…
32765
32766
32767
cnt[15:0]
0x8000
0x8001
0x8002
0x8003
…
0xBFFD
0xBFFE
0xBFFF
count
cycle
number
32768
32769
32770
32771
…
49149
49150
49151
cnt[15:0]
0xC000
0xC001
0xC002
0xC003
…
0xFFFD
0xFFFE
0xFFFF
Total Drive count number = (cntck[2:0]) x (cnt[15:0]) (cntck[2:0] is valid for Normal sequence.)
(Ex.) In case, setting cntck[2:0] = 0x1, cnt[15:0] = 0x8000
cntck[2:0] x cnt[15:0] = 2 x 32768
=65536 count
=851.968 ms (In case of Driving waveform setting a cycle = 13 µs)
count
cycle
number
49152
49153
49154
49155
…
65533
65534
65535
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TSZ22111・15・001
12/20
TSZ02201-0H2H0B600450-1-2
9.Oct.2012 Rev.001