PNX1701EH,557 NXP Semiconductors, PNX1701EH,557 Datasheet - Page 758
PNX1701EH,557
Manufacturer Part Number
PNX1701EH,557
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1701EH557.pdf
(832 pages)
Specifications of PNX1701EH,557
Operating Temperature (min)
0C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / Rohs Status
Not Compliant
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Philips Semiconductors
Volume 1 of 1
PNX17XX_SER_1
Preliminary data sheet
Remark: All references to instruction and data registers refer to JTAG instructions
and data registers only (not TM5250 instruction or data registers).
Data Registers
There are two 32-bit data registers, TM_DBG_DATA_IN and TM_DBG_DATA_OUT in
the MMIO space. Both can be connected in between TDI and TDO like the standard
Bypass and Boundary-Scan registers of JTAG.
Control Registers
There are two control registers, TM_DBG_CTRL1 and TM_DBG_CTRL2, in MMIO
space.
Figure 3:
•
•
•
•
•
•
The TM_DBG_DATA_IN register can be read or written to via the JTAG port.
The TM_DBG_DATA_OUT register is read-only via the JTAG port, so that
scanning out TM_DBG_DATA_OUT is non-destructive.
The TM_DBG_DATA_IN and TM_DBG_DATA_OUT are readable/writable from
the TM5250 processor via the usual load/store operations.
The TM_DBG_CTRL registers are used for handshake between a debug monitor
running on a TM5250 CPU and a debugger front-end running on a host.
TM_DBG_CTRL1.ofull = 1 means that TM_DBG_DATA_OUT has valid data to be
scanned out. On the power-on reset of the PNX17xx Series,
TM_DBG_CTRL1.ofull = 0. TM_DBG_CTRL1.ofull is both readable and writable
via the JTAG tap. Writing 0 to TM_DBG_CTRL1.ofull via JTAG is a “remember”
operation i.e., TM_DBG_CTRL1.ofull retains its previous state. Writing 1 to
TM_DBG_CTRL1.ofull via JTAG is a ‘clear’ operation i.e., TM_DBG_CTRL1.ofull
becomes 0.
TM_DBG_CTRL2.ifull = 0 means that the TM_DBG_DATA_IN register is empty.
TM_DBG_CTRL2.ifull = 1 means that TM_DBG_DATA_IN has valid data and the
debug monitor has not yet copied it to its private area. Upon power on reset of the
TM5250 processor, TM_DBG_CTRL2.ifull = 0. TM_DBG_CTRL2.ifull is readable
From TDI
Additional JTAG Data and Control Registers
Rev. 1 — 17 March 2006
31
31
Unused Bits
TM_DBG_DATA_OUT
TM_DBG_DATA_IN
TM_DBG_CTRL2
TM_DBG_CTRL1
Unused Bits
2
Sleepless
Bit
1
1
0
0
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Chapter 24: TM5250 Debug
PNX17xx Series
ofull
ifull
0
0
To TDO
24-8
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