User Guide
28
28DN-S3000
W29EE011P (CD: IC507)
BD6670FM (CD: IC510)
1234
5
6
7
8
9
10
11
12
13
14 15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
303132
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
DQ3
DQ4
DQ5
DQ6
A14
A13
A8
A9
OE
DQ7
A12
A15
A16
NC
VDD
WE
NC
A10
CE
A11
TOP
VIEW
CE
OE
WE
DQ0
:
DQ
7
A0
.
.
.
.
.
.
.
A16
V
DD
VSS
CONTROL
OUTPUT
BUFFER
DECODER
CORE
ARRA
Y
A0 - A16
DQ0 - DQ7
CE
OE
WE
VDD
GND
NC
Name Function
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Write Enable
Power Supply
Ground
No Connection
Terminal Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
H2-
H2+
H3-
H3+
GSW
GND
CP1
CP2
Vcc
V
G
SB
C
NF
Gain
control
Charge
Pump
Matrix
D
Q
QB
REVERSE
DETECT
Current
Sense AMP
Torque
AMP
PS
CL
CK
OSC
Matrix
TSD
Hall
bias
FG3
FG
A1
R
NF1
A2
Driver
A3
PS
EC
ECR
V
M
R
NF1
R
NF2
V
H
V
M
L-P re
Driver
U-Pre
Driver
H1-
H1+
Hall comp
Comp
PWM
Hall Amo
EXOR
Pin
No.
Pin
Name
Function
BD6670FM Terminal Function
1 H1+ Hall input Amp 1 positive input
2 H1- Hall input Amp 1 negative input
3 H2+ Hall input Amp 2 positive input
4 H2- Hall input Amp 2 negative input
5 H3+ Hall input Amp 3 positive input
6 H3- Hall input Amp 3 negative input
7 GSW Gain switch pin
8 GND GND
9 CP1 Capacitor pin 1 for charge pump
10 CP2 Capacitor pin 2 for charge pump
11 VG Capacitor connection pin for charge pump
12 CNF Capacitor connection pin for phase compensation
13 SB Short Brake Pin
14 VCC Power supply for signal division
15 VM Power supply for driver
16 ECR Torque control standard voltage input terminal
17 EC Torque control voltage input terminal
18 PS Power Save in
19 RNF2 Resistor connection pin for current sense
20 A3 Output3 for motor
21 RNF1 Resistor connection pin for current sense
22 A2 Output2 for motor
23 RNF1 Resistor connection pin for current sense
24 A1 Output1 for motor
25 VM Power supply for driver
26 VH Hall bias pin
27 FG FG output pin
28 FG3 FG3 output pin










