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IC551
BD6602KUT
PRE-DRIVE
PRE-DRIVE
PRE-DRIVE
PRE-DRIVE
DECODER
PRE-DRIVE
BIAS
STANDBY
TO
EACH
BLOCK
TO
BEMF
COMPARATOR
+ –
+ –
+ –
VCC2
1
RI3
2
FI1
3
RI1
4
VG
5
H1PG1
6
FO1
7
FO1
8
H1VM
H1VM
9
H1PG2
12
PWM
13
WI
14
VI
15
UI
16
10
RO1
RO1
11
49
50
51
52
53
54
H4PG2
RO4
H4VM
FO4
H4PG1
RI4
55
FI4
57
RI2
58
FI2
59
H2PG2
60
RO2
61
H2VM
62
FO2
63
H2PG1
64
FI3
56
PWM24
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
NC
NC
VCC2
VCC1
H3PG1
FO3
FO3
H3VM
H3VM
RO3
RO3
H3PG2
CPUI
CPVI
CPWI
COM
25 NC
26 VO
27 GNDUV
28 UO
29 VMU
CPUO
31 CPVO
32 CPWO
30
18
17
ASGND
19 SGND
20 NC
21 NC
22 GNDW
23 WO
24 VMVW
OE
VCC2
VCC1
1
XCS
SK
DO
DI
VCC
XBUSY
RST
GND
2
INSTRUCTION
DECODE
CONTROL
AND
CLOCK
GENERATION
3
4
8
7
6
5
INSTRUCTION
REGISTER
ADD
BUFFERS
VPP
GENERATOR
R/W AMPS
AND
AUTO ERASE
DATA
REGISTER
VREF
EEPROM
VPP SW
DECODER
IC802
AK93C55AV-L