PNX1501E,557 NXP Semiconductors, PNX1501E,557 Datasheet - Page 286

• Manufacturer Part Number: PNX1501E,557
• Description: IC MEDIA PROC 266MHZ 456-BGA
• Manufacturer: NXP Semiconductors

Specifications of PNX1501E,557

• Applications: Multimedia
• Core Processor: TriMedia
• Controller Series: Nexperia
• Interface: I²C, 2-Wire Serial
• Number Of I /o: 61
• Voltage - Supply: 1.14 V ~ 1.26 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 456-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Program Memory Type: -
• Ram Size: -
• Other names: 935274728557; PNX1501E; PNX1501E

Philips Semiconductors
Volume 1 of 1
PNX15XX_SER_3
Product data sheet
Figure 8:
Figure 9:
Figure 10: Sub-Carrier Multiplexing for TX
EN_IR_CARRIER,CARRIER_DIV
Ir TX Sub-carrier
Frequency
Ir TX Frequency
Ir TX signal
(no sub-carrier)
Ir TX signal
(with sub-carrier)
Example of Ir TX Signals with and without Sub-Carrier
IrDA Control TX with Sub-Carrier Enabled
DUTY_CYCLE
3.1 Duty-cycle programming
FREQ_DIV
required TX frequency and have the option to multiplex a sub-carrier frequency onto
the TX frequency if required.
requirements.
In the RC-MM IR protocol the duty-cycle of the sub-carriers must be between 25-
50%. To accommodate this protocol and others it is possible to program the duty-
cycle to be either 33%, 50%, or 66%.
IrDA Control
signal
Sub-carrier
Generation
Rev. 3 — 17 March 2006
Pattern
Generator
10 sub-carriers
6.67 s
Figure 8 Figure 9
sub-carrier
Chapter 8: General Purpose Input Output Pins
Data
and
Figure 10
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
EN_IR_CARRIER
PNX15xx Series
1
0
illustrate the signal
IROUT
8-19