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NXP Semiconductors
PNX15xx/952x Series
Volume 1 of 1
Chapter 13: FGPO: Fast General Purpose Output
PNX15XX_PNX952X_SER_N_4
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 4.0 — 03 December 2007
13-481
1:0
Reserved
R
0
Always 0.
Offset 0x07,1018
FGPO_NREC1
31:24
Reserved
R
0
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
23:0
NREC1
R
0
Number of records/messages output from buffer 1.
Cleared to zero when FGPO_BASE1 register is written to.
Offset 0x07,101C
FGPO_NREC2
31:24
Reserved
R
0
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
23:0
NREC2
R
0
Number of records/messages output from buffer 2.
Cleared to zero when FGPO_BASE2 register is written to.
Offset 0x07,1020
FGPO_THRESH1
31:24
Reserved
R
0
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
23:0
THRESH1
R/W
0
THRESH1_REACHED interrupt generated when FGPO_NREC1
count equals this register value. Range: 1 to 224-1
Offset 0x07,1024
FGPO_THRESH2
31:24
Reserved
R
0
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
23:0
THRESH2
R/W
0
THRESH2_REACHED interrupt generated when FGPO_NREC2
count equals this register value. Range: 1 to 224-1
Offset 0x07,1028
FGPO_REC_GAP
31:24
Reserved
R
0
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
23:0
REC_GAP
R/W
0
Clock delay after a record/message is output before the next record/
message is output. Range: 1 to 224-1
Offset 0x07,102C
FGPO_BUF_GAP
31:24
Reserved
R
0
To ensure software backward compatibility unused or reserved bits
must be written as zeros and ignored upon read.
23:0
BUF_GAP
R/W
0
Clock delay after a buffer is output before the next buffer is output.
Range: 1 to 224-1
Offset 0x07,1030
FGPO_TIME1
31:0
TIME1
R
0
Holds timestamp when buffer 1 completed.
Offset 0x07,1034
FGPO_TIME2
31:0
TIME2
R
0
Holds timestamp when buffer 2 completed.
Table 3: Fast general purpose output (FGPO) …Continued
Bit
Symbol
Acces
s
Value
Description