AMG-XB404 Datasheet, PDF (21/73 Pages) alpha microelectronics gmbh – Fully Integrated Single Motor Controller for Electrical Motors

AMG-XB404
Fully Integrated Single Motor Controller for Electrical Motors
5.4. Digital Motor Control Engine (DMCE)
The AMG-XB404 DMCE's features:
 32 bit Motor Control Processing Unit (MCPU)
with single precision floating point format
running at 64 MHz
 384 words x 24 bits program memory
 128 floating point (32 bit) registers
 Register-mapped hardware ports to control PWM unit from MCPU
 2 lookup-tables (32 floating point entries each)
 PWM unit including phase current reconstruction and dead time compensation
 Safety shut-down on external error event (e.g. over-current)
DMCE 0
9
9
7
ADDR
24
Program
Memory
ADDR
24
ADDR
MCPU
32
DATA
DATA
DATA
NU_WR
NV_WR
NW_WR
TD_WR
TAQU_WR
IOFFS_WR
Bus
IF
7
ADDR
32
DATA
FPUDAT 15
Register ^FPUEN
File
RDY
IU
12
IV
12
NOI
VDC 12
VDCR 23
PWM
M0IFO
M0O1
M0O2
M0O3
M0O4
M0O5
M0O6
M0R1
M0R2
M0R3
8 bit
on-chip bus
ADAQ
Measuring
Amplifier
ADC IF
ADC
MUX
INT
INT
M0IFB
M0I
VDC
VAC
Figure 10: DMCE block schematic
AMG-XB404
Revision: A
2. Nov. 2012 © All rights reserved
Page 21 of 73