3 - 2
Pin Name I/O Description
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
70 *SPPOL O Spindle motor drive signal output (Polarity output)
71 PMCK O 88.2-KHz clock signal output
72 *NCLDCK O Frame sync signal output f=7.35kHz (Normal-speed playback)
73 *SUBC O Subcode serial output
74 *SBCK I Subcode serial output clock input
75 NTEST I Test input pin Normal: H
76 X2 O Crystal oscillator output pin f=16.9344 MHz
77 X1 I Crystal oscillator input pin f=16.9344 MHz
78 DVSS1 I Ground for digital circuits
79 DV
DD1 I Power supply for digital circuits
80 *EXT2 I Expansion I/O part 2
AN8789FB– SILICON MONOLITHIC BIPOLAR IC
Pin Name Description
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
1 VSEN
Empty detection input
2PV
CC1 Power supply
3 RESET Reset output
4 DED Dead time input
5 OUT CD/DC converter output
6FB Error amplifier output
7IN Error amplifier input
8 SPRO Short-circuit protection input
9CT Triangular wave oscillation
10 AREF 1/2 AVDD output
11 CRIP Ripple rejection capacitor
12 SV
CC Power supply
13 N.C. Not connected
14 AV
DD Ripple filter output
15 DRVDD Power supply
16 V
REF 1/2 VDCC
input
17 IN
FO Driver input
18 IN
TR Driver input
19 LDON Driver ON/OFF control
20 INSP Driver input
21 PC Driver IN/OFF control
22 INTV Driver input
23 TRVSTOP Driver ON/OFF control
24 TR- Driver output
25 TR+ Driver output
26 FO- Driver output
27 FO+ Driver output
28 PGND Ground
29 SP+ Driver output
30 SP- Driver output
31 TV+ Driver output
32 TV- Driver output
33 ICONT Charge current setting
34 MRST Muting reset output
35 EMP Empty detection output
36 V
C Driver supply voltage
37 TB PWM circuit output
38 CLK External sync input
39 START Start oscillation starting input
40 POWER Power ON/OFF
41 PVCC2 Power supply
42 I
OUT Charging and battery detetion
43 SGND Ground
44 PWMG PWM loop gain control
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