PNX1700EH,557 NXP Semiconductors, PNX1700EH,557 Datasheet - Page 303
PNX1700EH,557
Manufacturer Part Number
PNX1700EH,557
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PNX1700EH557.pdf
(832 pages)
Specifications of PNX1700EH,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
Table 10: Sampling and Pattern Generation Control Registers for the FIFO Queues
PNX17XX_SER_1
Preliminary data sheet
20:16
18:16
Bit
Symbol
CARRIER_DIV
(when FIFO_MODE[1]
=1)
IR_FILTER
(when FIFO_MODE[1]
=0)
Acces
s
R/W
Value
00
00
Rev. 1 — 17 March 2006
Description
Used in Ir TX applications if a sub-carrier is required for
transmission. To enable this divider EN_IR_CARRIER=1.
If enabled, the Ir sub-carrier frequency is defined by programming
FREQ_DIV and the ‘ONTIME’ is defined by FREQ_DIV x
CARRIER_DIV.
0x00 - Disabled.
0x01 - Disabled.
0x02 - Sampling frequency is FREQ_DIV/2
.....
0x1F - Sampling frequency is FREQ_DIV/31
Used in Ir RX applications to filter a received Ir signal. To enable this
divider EN_IR_FILTER=1.
If enabled, Ir pulses greater than IR_FILTER are passed through to
the signal monitoring logic.
0x0 - 54/108 MHz, 0.5 s
0x1 - 108/108 MHz, 1.0 s
0x2 - 162/108 MHz, 1.5 s
0x3 - 216/108 MHz, 2.0 s
0x4 - 270/108 MHz, 2.5 s
0x5 - 324/108 MHz, 3.0 s
0x6 - 378/108 MHz, 3.5 s
0x7 - 432/108 MHz, 4.0 s
Note: The filter operates on one input per queue, this bit is the input
selected by IO_SEL[7:0]. If used in multi-bit sampling modes
(IO_SEL_EN = 01 or 10) be aware that the filtered signal is delayed
by the selected IR_FILTER value with respect to the other signals
sampled in the queue.
Chapter 8: General Purpose Input Output Pins
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
PNX17xx Series
8-32
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