cs5535 National Semiconductor Corporation, cs5535 Datasheet - Page 395
cs5535
Manufacturer Part Number
cs5535
Description
Geode Cs5535 Companion Multi-function South Bridge
Manufacturer
National Semiconductor Corporation
Datasheet
1.CS5535.pdf
(555 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
cs5535-KSZ
Manufacturer:
CIRRUSLOGIC
Quantity:
20 000
Part Number:
cs5535-UDC
Manufacturer:
AMD
Quantity:
20 000
Part Number:
cs5535-UDCF
Manufacturer:
AMD
Quantity:
20 000
- Current page: 395 of 555
- Download datasheet (4Mb)
Revision 0.8
UART/IR Controller Register Descriptions
5.12.10.2 IR Transmitter Modulator Control Register (IRTXMC)
I/O Offset
Type
Reset Value
IRTXMC selects the modulation subcarrier parameters for CEIR and Sharp-IR mode transmission. For Sharp-IR, only the
subcarrier pulse width is controlled by this register; the subcarrier frequency is fixed at 500 kHz.
After reset, the value of this register is 69h, selecting a carrier frequency of 36 kHz and an IR pulse width of 7 µs for CEIR,
or a pulse width of 0.8 µs for Sharp-IR.
Bit
7:5
4:0
7
MCPW[2:0]
MCFR[4:0]
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Name
MCPW[2:0]
MCFR[4:0]
MCPW[2:0]
01h
R/W
69h
6
Low Frequency (TXHSC = 0) (CEIR only)
Description
Modulation Subcarrier Pulse Width. Specifies the pulse width of the subcarrier clock,
as shown in Table 5-49. (Default = 011.)
Modulation Subcarrier Frequency. These bits set the frequency for the CEIR modula-
tion subcarrier. The encoding is defined in Table 5-50. (Default = 01001.)
Table 5-50. CEIR Carrier Frequency Encoding
Table 5-49. Modulation Carrier Pulse Width
Low Frequency (TXHSC = 0)
5
IRTXMC Bit Descriptions
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
10.6
30 kHz
31 kHz
32 kHz
33 kHz
34 kHz
35 kHz
36 kHz
37 kHz
38 kHz
39 kHz
6.0 µs
7.0 µs
9.0 µs
IRTXMC Bit Map
µs
4
395
(Continued)
3
High Frequency (TXHSC = 1) (CEIR or Sharp-IR)
MCFR[4:0]
2
High Frequency (TXHSC = 1)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
400 kHz
450 kHz
480 kHz
0.7 µs
0.8 µs
0.9 µs
1
www.national.com
0
Related parts for cs5535
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Freescale Semiconductor Technical Data
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Self-calibrating 12-bit Plus Sign Serial I/o A/d Converters With Mux And Sample/hold
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Pllatinum Tm Fractional N Rf / Integer N If Dual Low Power Frequency Synthesizer
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Pllatinum? 2.0 Ghz Frequency Synthesizer For Rf Personal Communications
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Pllatinumtm 160 Mhz Frequency Synthesizer For Rf Personal Communications
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Dual N-channel Enhancement Mode Field Effect Transistor
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Video Amplifier System (obsolete)
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Synchronous Step-up DC/DC Converter For White Led Applications
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
CLC420 - High Speed, Voltage Feedback op Amp, Package: Lcc, Pin Nb=20
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Monolithic Triple 4.5 CRT Driver
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Differential Video Amplifier
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
ADC10061 - 10-Bit 600 NS A/D Converter With Input Multiplexer And Sample/Hold, Package: Soic Wide, Pin Nb=20
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
DS36277 - Dominant Mode Multipoint Transceiver, Package: Soic Narrow, Pin Nb=8
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Printer Solenoid Driver
Manufacturer:
National Semiconductor Corporation
Datasheet:
Part Number:
Description:
Quad High Speed Trapezoidal Bus Transceiver
Manufacturer:
National Semiconductor Corporation
Datasheet: