Table 470. Gtmdi_Speb_Wpc1 Field Descriptions - STMicroelectronics SPC572L series Reference Manual

RM0400
Field
SPEB sub-module Source Selection
generation.
000 SPE1
001 Reserved
26–24
010 Reserved
SSEL
011 Reserved
100 Reserved
101 Reserved
110 Reserved
111 Reserved
Watchpoint Message Control 1. The WMC1 Watchpoint Message Control 1 controls the watchpoint
message sent through the Message Data bus. If this bit is set it enables valid transitions on SPEB
22 NIPD to generate a watchpoint message. This bit is written by the JTAG interface but can also be
controlled at SoC level with dedicated Start/Stop signals inputs to GTMDI.
WMC1
0 Watchpoint Messages disabled
1 Watchpoint Messages enabled
SPEB NIPD Slope Selection. The TSS1 field selects the slope for the NIPD signal.
00 Any transition (both)
21–20
01 Transition from 0 to 1 (positive slope)
TSS1
10 Transition from 1 to zero (negative slope)
11 Reserved
Halt Enable 1. The HEN1 Halt Enable 1bit controls if the SPEB NIPD active slope event is enabled
17 to HALT the GTM module.
HEN1 0 Disables Halt GTM
1 Enables Halt GTM
Watchpoint Message Control 2. The WMC2 Watchpoint Message Control 2 controls the watchpoint
message sent through the Message Data bus. If this bit is set it enables valid transitions on SPEB
DIR output to generate a watchpoint message. This bit is written by the JTAG interface but can also
6
be controlled at SoC level with dedicated Start/Stop signals inputs to GTMDI.
WMC2
0Watchpoint Messages disabled
1 Watchpoint Messages enabled
SPEB DIR Slope Selection. The TSS2 field selects the slope for the DIR signal.
00 Any transition (both)
5–4
01 Transition from 0 to 1 (positive slope)
TSS2
10 Transition from 1 to zero (negative slope)
11 Reserved
Halt Enable 2. The HEN2 Halt Enable 2 bit controls if the SPEB DIR active slope event is enabled
1 to HALT the GTM module.
HEN2 0 Disables Halt GTM
1 Enables Halt GTM
1. The SSEL field for SPEB starts from SPE1 selection, differently from the equivalent field for SPEA which selects SPE0
instead.
42.5.1.13 SPEB watchpoint control 2 register (GTMDI_SPEB_WPC2)
The GTMDI_SPEB_WPC2 register shown in
issued by SPEB. These watchpoints are used for GTM to enter Halt state, generate

Table 470. GTMDI_SPEB_WPC1 field descriptions

DocID027809 Rev 4
GTM Development Interface (GTMDI)
Description
(1)
. Selects which SPE sub-module is the source for watchpoint
Figure 418 controls the Watchpoint Triggers
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