Register Description; Table 226: Etm Registers - Philips LPC2194 User Manual

Philips Semiconductors
ARM-based Microcontroller

REGISTER DESCRIPTION

The ETM contains 29 registers as shown in Table 227. 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 227: ETM Registers
Name
ETM Control
ETM Configuration Code
Trigger Event
Memory Map Decode Control
ETM Status
System Configuration
Trace Enable Control 3
Trace Enable Control 2
Trace Enable Event
Trace Enable Control 1
FIFOFULL Region
FIFOFULL Level
ViewData event
ViewData Control 1
ViewData Control 2
ViewData Control 3
Address Comparator 1 to 16 Holds the address of the comparison
Address Access Type 1 to 16 Holds the type of access and the size
reserved
reserved
Initial Counter Value 1 to 4
Counter Enable 1 to 4
Counter reload 1 to 4
Counter Value 1 to 4
Sequencer State and Control Holds the next state triggering events.
External Output 1 to 4
Reserved
Reserved
Reserved
Embedded Trace Macrocell
Description
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
-
-
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
-
-
-
LPC2119/2129/2194/2292/2294
292
Preliminary User Manual
Register
Access
encoding
Read/Write 000 0000
Read Only 000 0001
Write Only 000 0010
Write Only 000 0011
Read Only 000 0100
Read Only 000 0101
Write Only
000 0110
Write Only 000 0111
Write Only 000 1000
Write Only 000 1001
Write Only 000 1010
Write Only 000 1011
Write Only 000 1100
Write Only 000 1101
Write Only 000 1110
Write Only 000 1111
Write Only 001 xxxx
Write Only 010 xxxx
- 000 xxxx
- 100 xxxx
Write Only 101 00xx
Write Only 101 01xx
Write Only 101 10xx
Read Only 101 11xx
- 110 00xx
Write Only 110 10xx
- 110 11xx
- 111 0xxx
- 111 1xxx
May 03, 2004