OM13008,598 NXP Semiconductors, OM13008,598 Datasheet - Page 275

• Manufacturer Part Number: OM13008,598
• Description: BOARD LPC XPRESSO LPC122X
• Manufacturer: NXP Semiconductors
• Series: LPCXpressor

Specifications of OM13008,598

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-6642; OM13008

NXP Semiconductors
16.4 Register description
UM10441
User manual
16.4.1 RTC data register
16.4.2 RTC match register
16.4.3 RTC load register
16.4.4 RTC control register
Table 254. Register overview: RTC (base address 0x4005 0000)
Table 255. RTC data register (DR - address 0x4005 0000) bit description
Table 256. RTC match register (MR - address 0x4005 0004) bit description
Table 257. RTC load register (LR - address 0x4005 0008) bit description
This register is a R/W register. Reads return the status of the RTC. Writes enable or
disable the RTC. Once the RTC is enabled, any writes to bit 0 of this register will have no
effect until after a system reset.
Name
DR
MR
LR
CR
ICSC
RIS
MIS
ICR
Bit
31:0
Bit
31:0
Bit
31:0
Symbol
DATA
Symbol
MATCH
Symbol
LOAD
Access Address
R
R/W
R/W
R/W
R/W
R
R
W
All information provided in this document is subject to legal disclaimers.
Description
Returns the current RTC value.
offset
0x000
0x004
0x008
0x00C
0x010
0x014
0x018
0x01C
Description
RTC match register value.
Description
RTC load register value.
Rev. 1.1 — 10 March 2011
Description
Data register
Match register
Load register
Control register
Interrupt control set/clear register
Raw interrupt status register
Masked interrupt status register
Interrupt clear register
Chapter 16: LPC122x Real-Time Clock (RTC)
UM10441
© NXP B.V. 2011. All rights reserved.
Reset value
0x00
Reset value
0x00
Reset value
0x00
Reset value
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
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