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PC87591L Datasheet(PDF) 248 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No. de pieza PC87591L
Descripción Electrónicos  LPC Mobile Embedded Controllers
PDF  437 Pages
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Fabricante Electrónico  NSC [National Semiconductor (TI)]
Página de inicio  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC87591L Datasheet(HTML) 248 Page - National Semiconductor (TI)

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Revision 1.07
4.19 THE DEBUGGER INTERFACE
The Debugger Interface module links between a debugger running on a host machine and the PC87591x.
The Debugger interface associates a processor number with the processor core. The number associated with the core is 0.
The Debugger interface can also program the on-chip flash.
4.19.1 Features
●
Debugger communication via an IEEE 1149.1b 1994 JTAG serial bus
●
Test Access Port (TAP) for JTAG serial bus
●
Hardware reset signal assertion by debugger command
●
Configurable ABORT event
●
Interrupt signal (TINT) to the debugger indicates a waiting message
●
Waiting message to on-chip processor by non-maskable ISE interrupt
●
8-word (16-byte) Rx (downstream) data link
●
8-word (16-byte) Tx (upstream) data link
●
On-chip flash support
— Read, Program and Erase
— Read protect option to secure contents
4.19.2 Structure
The Debugger interface consists of a TAP, ISE Interrupt Control, Rx and Tx data links and a PC87591x reset-by-command
source circuit. Figure 80 shows these functional blocks.
Figure 80. Debugger Interface
Rx Data
Peripheral Bus
Tx Data
ISE Interrupt
Control
TAP
JTAG Serial Bus
TINT
ISE
Interrupts
Debugger
Reset
Link
Link
Flash Programing
Interface
To
Flash
On-Chip
To
Reset Circuit
and Flash



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