Register Description - Philips LPC2119 User Manual

Philips Semiconductors
ARM-based Microcontroller

REGISTER DESCRIPTION

The ETM contains 29 registers as shown in Table 226. below. They are described in detail in the ARM IHI 0014E document
published by ARM Limited, which is available via the Internet at http://www.arm.com.
Table 226: ETM Registers
Register
encoding
000 0000 ETM Control
000 0001 ETM Configuration Code
000 0010 Trigger Event
000 0011 Memory Map Decode Control
000 0100 ETM Status
000 0101 System Configuration
000 0110 Trace Enable Control 3
000 0111 Trace Enable Control 2
000 1000 Trace Enable Event
000 1001 Trace Enable Control 1
000 1010 FIFOFULL Region
000 1011 FIFOFULL Level
000 1100 ViewData event
000 1101 ViewData Control 1
000 1110 ViewData Control 2
000 1111 ViewData Control 3
001 xxxx Address Comparator 1 to 16 Holds the address of the comparison
010 xxxx Address Access Type 1 to 16 Holds the type of access and the size
000 xxxx
100 xxxx
101 00xx Initial Counter Value 1 to 4
101 01xx Counter Enable 1 to 4
101 10xx Counter reload 1 to 4
101 11xx Counter Value 1 to 4
110 00xx Sequencer State and Control Holds the next state triggering events.
110 10xx External Output 1 to 4
110 11xx
111 0xxx
111 1xxx
Embedded Trace Macrocell
Name
Controls the general operation of the ETM
Allows a debugger to read the number of each type of resource
Holds the controlling event
Eight-bit register, used to statically configure the memory map
decoder
Holds the pending overflow status bit
Holds the configuration information using the SYSOPT bus
Holds the trace on/off addresses
Holds the address of the comparison
Holds the enabling event
Holds the include and exclude regions
Holds the include and exclude regions
Holds the level below which the FIFO is considered full
Holds the enabling event
Holds the include/exclude regions
Holds the include/exclude regions
Holds the include/exclude regions
reserved -
reserved -
Holds the initial value of the counter
Holds the counter clock enable control and event
Holds the counter reload event
Holds the current counter value
Holds the controlling events for each output
Reserved -
Reserved -
Reserved -
LPC2119/2129/2292/2294
Description
256
Preliminary User Manual
Access
Read/Write
Read Only
Write Only
Write Only
Read Only
Read Only
Write Only
Write Only
Write Only
Write Only
Write Only
Write Only
Write Only
Write Only
Write Only
Write Only
Write Only
Write Only
-
-
Write Only
Write Only
Write Only
Read Only
-
Write Only
-
-
-
January 08, 2004