UM10503
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
User manual
Rev. 1.3 — 6 July 2012
876 of 1269
NXP Semiconductors
UM10503
Chapter 30: LPC43xx Motor Control PWM (MOTOCONPWM)
30.7.7 MCPWM Communication Pattern register
This register is used in DC mode only. The internal MCOA0 signal is routed to any or all of
the six output pins under the control of the bits in this register. Like the Match and Limit
registers, this register has “write” and “operational” versions. See
for
more about this subject.
30.7.8 MCPWM Capture read addresses
The CAPCON register (
) allows software to select any edge(s) on any of the
MCI0-2 inputs as a capture event for each channel. When a channel’s capture event
occurs, the current TC value for that channel is stored in its read-only Capture register.
These addresses are read-only, but the underlying registers can be cleared by writing to
the CAP_CLR address
30.7.9 MCPWM Interrupt registers
The Motor Control PWM module includes the following interrupt sources:
Table 709. MCPWM Communication Pattern register (CP - address 0x400A 0040) bit
description
Bit
Symbol
Value Description
Reset
value
0
CCPA0
Communication pattern output A, channel 0.
0
0
MCOA0 passive.
1
internal MCOA0.
1
CCPB0
Communication pattern output B, channel 0.
0
0
MCOB0 passive.
1
MCOB0 tracks internal MCOA0.
2
CCPA1
Communication pattern output A, channel 1.
0
0
MCOA1 passive.
1
MCOA1 tracks internal MCOA0.
3
CCPB1
Communication pattern output B, channel 1.
0
0
MCOB1 passive.
1
MCOB1 tracks internal MCOA0.
4
CCPA2
Communication pattern output A, channel 2.
0
0
MCOA2 passive.
1
MCOA2 tracks internal MCOA0.
5
CCPB2
Communication pattern output B, channel 2.
0
0
MCOB2 passive.
1
MCOB2 tracks internal MCOA0.
31:6
-
Reserved.
Table 710. MCPWM Capture read addresses (CAP - 0x400A 0044 (CAP0), 0x400A 0048
(CAP1), 0x400A 004C 9CAP2)) bit description
Bit
Symbol
Description
Reset
value
31:0
CAP
Current TC value at a capture event.
0x0000 00
00