UM10503
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© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
867 of 1269
NXP Semiconductors
UM10503
Chapter 30: LPC43xx Motor Control PWM (MOTOCONPWM)
30.7.1 MCPWM Control register
30.7.1.1 MCPWM Control read address
The CON register controls the operation of all channels of the PWM. This address is
read-only, but the underlying register can be modified by writing to addresses CON_SET
and CON_CLR.
CNTCON_SET
WO
0x060
Count Control set address
-
CNTCON_CLR
WO
0x064
Count Control clear address
-
INTF
RO
0x068
Interrupt flags read address
0
INTF_SET
WO
0x06C
Interrupt flags set address
-
INTF_CLR
WO
0x070
Interrupt flags clear address
-
CAP_CLR
WO
0x074
Capture clear address
-
Table 698. Register overview: Motor Control Pulse Width Modulator (MCPWM) (base address 0x400A 0000)
Name
Access
Address
offset
Description
Reset value
Reference
Table 699. MCPWM Control read address (CON - 0x400A 0000) bit description
Bit
Symbol
Value
Description
Reset
value
0
RUN0
Stops/starts timer channel 0.
0
0
Stop.
1
Run.
1
CENTER0
Edge/center aligned operation for channel 0.
0
0
Edge-aligned.
1
Center-aligned.
2
POLA0
Selects polarity of the MCOA0 and MCOB0 pins.
0
0
Passive state is LOW, active state is HIGH.
1
Passive state is HIGH, active state is LOW.
3
DTE0
Controls the dead-time feature for channel 0.
0
0
Dead-time disabled.
1
Dead-time enabled.
4
DISUP0
Enable/disable updates of functional registers for channel 0 (see
).
0
0
Functional registers are updated from the write registers at the end of each PWM
cycle.
1
Functional registers remain the same as long as the timer is running.
7:5
-
-
Reserved.
8
RUN1
Stops/starts timer channel 1.
0
0
Stop.
1
Run.
9
CENTER1
Edge/center aligned operation for channel 1.
0
0
Edge-aligned.
1
Center-aligned.