pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 140
![no-image](/images/no-image-200.jpg)
pc87591l-n05
Manufacturer Part Number
pc87591l-n05
Description
Lpc Mobile Embedded Controller
Manufacturer
National Semiconductor Corporation
Datasheet
1.PC87591L-N05.pdf
(401 pages)
- Current page: 140 of 401
- Download datasheet (2Mb)
www.national.com
4.0 Embedded Controller Modules
Timer Mode Control Register (TnCTRL)
The TnCTRL register is a byte-wide read/write register. It defines the mode of operation of timer/counter and TAn and TBn
I/O pins. The register is cleared on reset.
Location: MFT16 1: 00 FD8C
Type:
Bit
Name
Reset
1-0
Bit
2
3
4
5
6
7
MDSEL (Mode Select). Defines the MFT16 mode of operation.
Bits
1 0
0 0:
0 1:
1 0:
1 1:
TAEDG (TAn Edge Polarity).
0: A high-to-low transition on TAn causes the action defined by the mode of operation, e.g., input capture (default)
1: A low-to-high transition on TAn results in the defined action.
TBEDG (TBn Edge Polarity).
0: A high-to-low transition on TBn causes the action defined by the mode of operation, e.g., input capture or ex-
1: A low-to-high transition on TBn results in the defined action
In Pulse Accumulate mode, when this bit is set to 1, the count is enabled if TBn is high. When cleared (0) and
while operating in Pulse Accumulate mode, the counter is enabled if TBn is low.
TAEN (TAn Enable). Enables TAn to function either as a preset input or as a PWM output, depending on the
mode of operation.
If this bit is set (1), while operating in Dual Input Capture mode (mode 2), a transition on TAn causes TnCNT1
to be preset to FFFF
output. See Table 19 on page 137 for additional information.
TBEN (TBn Enable). When set (1), and while operating in either Dual Input Capture mode (mode 2) or Input
Capture and Timer mode (mode 4), a transition on TBn causes the corresponding timer/counter to be preset to
FFFF
while operating in any mode other than modes 2 or 4. See Table 19 on page 137 for additional information.
TAOUT (TAn Output Data). Contains the value of TAn output when TAn is used as a PWM output.
0: TAn is low (default)
1: TAn is high
This bit is set and cleared by hardware and thus reflects the status of TAn. This bit can be read at any time. It
may be used to set the initial value of TAn output in PWM mode. Note that if the hardware attempts to toggle
this bit at the same time as software is writing to the bit, the software write takes precedence over the hardware
update. This bit has no effect when TAn is used as input.
Reserved (must be set to 1).
MFT16 2: 00 FDAC
R/W
ternal event count (default)
16
(must be 1)
Reserved
. In mode 2, TnCNT1 is preset to FFFF
Description
Mode 1 (default)
Mode 2
Mode 3
Mode 4
7
0
16
16
16
TAOUT
. In the remaining modes of operation, setting TnAEN enables TAn to function as a PWM
6
0
TBEN
5
0
(Continued)
16
; in mode 4, TnCNT2 is preset to FFFF
TAEN
Description
140
4
0
TBEDG
3
0
TAEDG
2
0
16
. The bit has no effect
1
0
MDSEL
0
0
Revision 1.2
Related parts for pc87591l-n05
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![pc87591l](/images/no-image3.png)
Part Number:
Description:
Lpc Mobile Embedded Controllers
Manufacturer:
National Semiconductor Corporation
Datasheet:
![PC875](/photos/7/69/76943/425-8-dip_tmb.jpg)
Part Number:
Description:
PHOTOCOUPLER 2CH OUT 8-DIP
Manufacturer:
Sharp Microelectronics
Datasheet:
![mma1270keg](/images/no-image3.png)
Part Number:
Description:
Freescale Semiconductor Technical Data
Manufacturer:
National Semiconductor Corporation
Datasheet:
![ADC12034](/images/no-image3.png)
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:
![LMX2350](/images/no-image3.png)
Part Number:
Description:
Pllatinum Tm Fractional N Rf / Integer N If Dual Low Power Frequency Synthesizer
Manufacturer:
National Semiconductor Corporation
Datasheet:
![LMX2324](/images/no-image3.png)
Part Number:
Description:
Pllatinum? 2.0 Ghz Frequency Synthesizer For Rf Personal Communications
Manufacturer:
National Semiconductor Corporation
Datasheet:
![LMX2301](/images/no-image3.png)
Part Number:
Description:
Pllatinumtm 160 Mhz Frequency Synthesizer For Rf Personal Communications
Manufacturer:
National Semiconductor Corporation
Datasheet:
![NDS8963](/images/no-image3.png)
Part Number:
Description:
Dual N-channel Enhancement Mode Field Effect Transistor
Manufacturer:
National Semiconductor Corporation
Datasheet:
![LM1201](/images/no-image3.png)
Part Number:
Description:
Video Amplifier System (obsolete)
Manufacturer:
National Semiconductor Corporation
Datasheet:
![LM3501TL-16](/images/no-image3.png)
Part Number:
Description:
Synchronous Step-up DC/DC Converter For White Led Applications
Manufacturer:
National Semiconductor Corporation
Datasheet:
![AD9621](/images/no-image3.png)
Part Number:
Description:
CLC420 - High Speed, Voltage Feedback op Amp, Package: Lcc, Pin Nb=20
Manufacturer:
National Semiconductor Corporation
Datasheet:
![LM2403](/images/no-image3.png)
Part Number:
Description:
Monolithic Triple 4.5 CRT Driver
Manufacturer:
National Semiconductor Corporation
Datasheet:
![LM592M](/images/no-image3.png)
Part Number:
Description:
Differential Video Amplifier
Manufacturer:
National Semiconductor Corporation
Datasheet:
![ADC10061](/images/no-image3.png)
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:
![DS36277TMX](/images/no-image3.png)
Part Number:
Description:
DS36277 - Dominant Mode Multipoint Transceiver, Package: Soic Narrow, Pin Nb=8
Manufacturer:
National Semiconductor Corporation
Datasheet: