26
XP-ZR850
Pin No.
Pin Name
I/O
Description
48
CPVO
I
Check terminal for phase compensation VCC0 power supply phase
49, 50
PGND2, PGND1
—
Ground terminal (for VCC0 switching power supply circuit)
51, 52
LO_2, LO_1
—
Coil connection terminal for VCC0 switching power supply circuit
53
VO0
O
VO0 voltage output terminal of switching power supply circuit Not used
54
VCC0
O
VCC0 power supply voltage output terminal (+2.7V)
55
VD_B
O
FET (bottom side) drive signal output for VD switching power supply circuit
56
VD_T
O
FET (top side) drive signal output for VD switching power supply circuit
57
VDLX
—
Coil connection terminal for VD switching power supply circuit
58
VD
I
Feed back voltage input terminal of VD switching power supply circuit
59
INPVD
I
Error amplifier non-invert input of VD switching power supply circuit
60
INP0
I
Error amplifier non-invert input of VCC0 switching power supply circuit
61
RF
—
Error amplifier connection terminal of APC circuit
62
INM
O
Error amplifier output terminal of APC circuit
63
PAPC
I
Feed back voltage input terminal of APC circuit
64
VAPC
O
Voltage output terminal of APC circuit
65
GND
—
Ground terminal
66
VREF
O
Reference voltage output terminal
67
VIN
—
Dry battery connection terminal
68
SW
—
Coil connection terminal for VCP power supply circuit
69
VCP
O
Voltage output terminal of VCP power supply circuit
70
VCC2
O
VCC2 power supply voltage output terminal (+2.1V)
71
VSTB2
O
Standby power supply (2) output terminal (+2V)
72
VSTB1
O
Standby power supply (1) output terminal (+1.2V)
73
VCC1
O
VCC1 power supply voltage output terminal (+1.3V)
74, 75
APWM, PWM
I
Spindle motor servo drive signal input from the system controller
76
FG
O
FG signal output to the system controller
77
RMCRB
O
Wake up signal output to the systerm controller
78
CPUI
I
Comparator (U) positive pole input terminal
79
CPVI
I
Comparator (V) positive pole input terminal
80
CPWI
I
Comparator (W) positive pole input terminal
Summary of Contents for XP-ZR850
Page 37: ...37 XP ZR850 MEMO...