AMG-XB404 Datasheet, PDF (13/73 Pages) alpha microelectronics gmbh – Fully Integrated Single Motor Controller for Electrical Motors

AMG-XB404
Fully Integrated Single Motor Controller for Electrical Motors
Bit 2, TREQ, is used to trigger sampling of on-chip temperature values. Readiness is indicated by
reading TREQ as 0.
5.2.21. IO Expander Overview
Bit
7
6
5
4
3
2
1
0
Register Index
Comment
name address
Write/Read
ADDR[7:0]
IOEXPA
-
Address register
Initial value
0
0
0
0
0
0
0
0
Write
-
-
-
-
-
-
-
-
Read
0
0
0
0
0
0
1
1
0
IC revision
Write/Read
-
Initial value
-
-
CLK-LOCK CLKOFF reserved LOCKED EME
(read)
-
0
0
0
1
0
TME
0
Engineering and
1
test mode enable
Lock indicator
Write
OFIRES1
Read OFIERR1
Initial value
0
OFIPOL1
OFIPOL1
0
OFIRES0
OFIERR0
0
OFIPOL0
OFIPOL0
0
reserved
reserved
0
reserved DMCE0POL DMCE0OE
reserved DMCE0POL DMCE0OE
0
0
0
2
DMCE output
configuration
Write/Read
SWCPRE[7:0]
Initial value
0
0
0
0
0
0
0
0
Write/Read
-
SWCPRE[14:8]
Initial value
-
0
0
0
0
0
0
0
3
Switching
controller pre-
scaler
4
low/high
Write/Read
-
-
-
-
-
-
-
PFCPOL
Initial value
-
-
-
-
-
-
-
0
5
PFC PWM
output polarity
Write/Read reserved
reserved
CNT0X2
DMCE0C1
Initial value
0
0
0
0
0
0
0
0
DMCE C1
6
values; PWM
double frequency
Write/Read
DMCE0C2[7:0]
7
DMCE0 C2 value
Initial value
0
0
0
0
0
0
0
0
IOEXPD
Write/Read
reserved
Initial value
0
0
0
0
0
0
0
0
8
reserved
Write/Read
FLLDIV[7:0]
Initial value
0
0
0
0
0
0
0
0
9
FLL down-scaler;
low byte
Write/Read
-
-
-
FLLDIV[12:8]
Initial value
-
-
-
0
1
0
0
0
10
FLL down-scaler;
high byte
Write
MPREC[3:0]
-
-
-
-
Read
MPREC[3:0]
PREC[3:0]
Initial value
1
0
1
0
-
-
-
-
maximum
12 precision; current
FLL precision
Write
reserved
Read
reserved
Initial value
0
-
reserved
0
reserved
DTC0OVR
reserved reserved DTC0OVR
0
0
0
-
RW0
0
DTC0RNG[1:0]
RV0
RU0
0
0
Output
13
comparator
read-back and
DTC setup
Write/Read
ADCOFF[7:0]
Initial value
0
0
0
0
0
0
0
0
14..25
ADC offset
registers
Write/
Read
-
-
-
-
Initial value
-
-
-
-
Table 2a: IO port expander registers
ADCRES
0
PFCRES
DMCE0RES reservedD
reserved MCE0RES
0
0
0
Unit reset
26
flags
AMG-XB404
Revision: A
2. Nov. 2012 © All rights reserved
Page 13 of 73