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UM10503
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© NXP B.V. 2015. All rights reserved.
User manual
Rev. 2.1 — 10 December 2015
146 of 1441
NXP Semiconductors
UM10503
Chapter 11: LPC43xx/LPC43Sxx Configuration Registers (CREG)
11.4.5 DMA mux control register
This register controls which set of peripherals is connected to the DMA controller (see
Remark:
On secure parts, the AES DMA API configures the DMA connections in this
register. See
.
Table 100. CREG5 control register (CREG5, address 0x4004 3118) bit description
Bit
Symbol
Value
Description
Reset
value
Access
9:0
-
Reserved.
-
-
10
M0SUBTAPSEL
JTAG debug disable for M0SUB
co-processor. If this bit is set to 1, it can
be changed to 0 only through a chip
reset.
0
R/W
0
No effect.
1
Disable JTAG debug. Once JTAG is
disabled, JTAG access remains disabled
until the chip is reset by any source.
11
M4TAPSEL
JTAG debug disable for M4 main
processor. If this bit is set to 1, it can be
changed to 0 only through a chip reset.
0
R/W
0
No effect.
1
Disable JTAG debug. Once JTAG is
disabled, JTAG access remains disabled
until the chip is reset by any source.
12
M0APPTAPSEL
JTAG debug disable for
M0APPco-processor. If this bit is set to 1,
it can be changed to 0 only through a chip
reset.
0
R/W
0
No effect.
1
Disable JTAG debug. Once JTAG is
disabled, JTAG access remains disabled
until the chip is reset by any source.
31:13
-
Reserved.
-
-
Table 101. DMA mux control register (DMAMUX, address 0x4004 311C) bit description
Bit
Symbol
Value
Description
Reset
value
Access
1:0
DMAMUXPER0
Select DMA to peripheral connection for
DMA peripheral 0.
0
R/W
0x0
SPIFI
0x1
SCT CTOUT_2
0x2
SGPIO14
0x3
Timer3 match 1