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
175 of 1269
NXP Semiconductors
UM10503
Chapter 13: LPC43xx Reset Generation Unit (RGU)
13.4.4.7 Reset external status registers for MASTER_RESET
for reset generators which have the MASTER_RST output as reset
source. These are the ARM Cortex-M4 core, the LCD controller, the USB0, the GPDMA,
the SDIO controller, the external memory controller, and the Ethernet controller.
The reset value is dependent on the peripheral, see
.
Table 127. Reset external status registers x (RESET_EXT_STATx, address 0x4005 34xx) bit
description
Bit
Symbol
Description
Reset
value
Access
1:0
-
Reserved. Do not modify; read as logic 0.
0
-
2
PERIPHERAL_RESET Reset activated by PERIPHERAL_RST
output. Write 0 to clear.
0 = Reset not activated
1 = Reset activated
0
R/W
31:3
-
Reserved. Do not modify; read as logic 0.
0
-
Table 128. Reset external status registers y (RESET_EXT_STATy, address 0x4005 34yy) bit
description
Bit
Symbol
Description
Reset
value
Access
2:0
-
Reserved. Do not modify; read as logic 0.
0
-
3
MASTER_RESET
Reset activated by MASTER_RST output.
Write 0 to clear.
0 = Reset not activated
1 = Reset activated
0
R/W
31:4
-
Reserved. Do not modify; read as logic 0.
0
-