![NXP Semiconductors LPC43Sxx Скачать руководство пользователя страница 220](http://html1.mh-extra.com/html/nxp-semiconductors/lpc43sxx/lpc43sxx_user-manual_1721827220.webp)
UM10503
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2015. All rights reserved.
User manual
Rev. 2.1 — 10 December 2015
220 of 1441
NXP Semiconductors
UM10503
Chapter 14: LPC43xx/LPC43Sxx Clock Control Unit (CCU)
Remark:
Configure the output clock for the EMC clock divider (
) together with
bit 16 in the CREG6 register (
).
Table 163. CCU1 branch clock configuration register (CLK_XXX_CFG, addresses 0x4005
1100, 0x4005 1104,..., 0x4005 1A00) bit description
Bit
Symbol
Value
Description
Reset
value
Access
0
RUN
Run enable
1
R/W
0
Clock is disabled.
1
Clock is enabled.
1
AUTO
Auto (AHB disable mechanism) enable
0
R/W
0
Auto is disabled.
1
Auto is enabled.
2
WAKEUP
Wake-up configure
0
R/W
0
Wake-up is disabled.
1
Wake-up is enabled.
31:3
-
Reserved
-
-
Table 164. CCU1 branch clock configuration register (CLK_M4_EMCDIV_CFG, addresses
0x4005 1478) bit description
Bit
Symbol
Value
Description
Reset
value
Access
0
RUN
Run enable
1
R/W
0
Clock is disabled.
1
Clock is enabled.
1
AUTO
Auto (AHB disable mechanism) enable
0
R/W
0
Auto is disabled.
1
Auto is enabled.
2
WAKEUP
Wake-up mechanism enable
0
R/W
0
Wake-up is disabled.
1
Wake-up is enabled.
3
-
Reserved
-
-
4
-
Reserved
-
-
7:5
DIV
Clock divider value
0
W
0x0
No division (divide by 1).
0x1
Divide by 2.
0x2
Reserved
0x3
Reserved
0x4
Reserved
26:8
-
Reserved
-
-
29:27
DIVSTAT
Clock divider status. When this bit field is
read, the value of the DIV bit field in this
register is returned.
0
R
31:30
-
Reserved
-
-