UM10503
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User manual
Rev. 1.3 — 6 July 2012
946 of 1269
NXP Semiconductors
UM10503
Chapter 36: LPC43xx Event monitor/recorder
36.7.3 Event Monitor/Recorder Counters Register
The Event Monitor/Recorder Counters Register is a read-only register that allows reading
counters that record the number of events on each Event Monitor/Recorder channel.
36.7.4 Event Monitor/Recorder First Stamp Registers
The read-only Event Monitor/Recorder First Stamp Registers record a timestamp (from
the RTC) of the first event that occurs on each Event Monitor/Recorder channel. This is
when the corresponding EVx bit in the ERSTATUS register becomes set. Once that has
happened, these registers will not change until software clears the corresponding EVx bit
in the ERSTATUS register.
Contents of these register are only valid if the corresponding EVx bit in the ERSTATUS
register = 1.
36.7.5 Event Monitor/Recorder Last Stamp Registers
The read-only Event Monitor/Recorder Last Stamp Registers record a timestamp (from
the RTC) whenever an event occurs on each Event Monitor/Recorder channel.
Contents of these register are only valid if the corresponding EVx bit in the ERSTATUS
register = 1.
Table 816. Event Monitor/Recorder Counters Register (ERCOUNTERS - address 0x4004 6088) bit description
Bit
Symbol
Description
Reset
value
2:0
COUNTER0 Value of the counter for Event 0. If the counter reaches full count (the value 7), it remains there
if additional events occur. This counter is cleared when the corresponding EVx bit in the
ERSTATUS register is cleared by software.
0
7:3
-
Reserved. The value read from a reserved bit is not defined.
NA
10:8
COUNTER1 Value of the counter for event 1. See description for COUNTER0.
0
15:11 -
Reserved. The value read from a reserved bit is not defined.
NA
18:16 COUNTER2 Value of the counter for event 2. See description for COUNTER0.
0
31:19 -
Reserved. The value read from a reserved bit is not defined.
NA
Table 817. Event Monitor/Recorder First Stamp Register (ERFIRSTSTAMP0 - 0x0x4004 6090,
ERFIRSTSTAMP1 - 0x0x4004 6094, ERFIRSTSTAMP2 - 0x4004 6098) bit
description
Bit
Symbol
Description
Reset value
5:0
SEC
Seconds value in the range of 0 to 59.
NA
11:6
MIN
Minutes value in the range of 0 to 59.
NA
16:12 HOUR
Hours value in the range of 0 to 23.
NA
25:17 DOY
Day of Year value in the range of 1 to 366.
NA
31:26 -
Reserved. The value read from a reserved bit is not defined.
NA