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TMP88CS38 Datasheet(PDF) 110 Page - Toshiba Semiconductor

Part # TMP88CS38
Description  8-bit single chip microcomputer
PDF  226 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP88CS38 Datasheet(HTML) 110 Page - Toshiba Semiconductor

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TMP88CS38/CM38A/CP38A
2007-09-12
88CS38-110
2.10 Remote Control Signal Preprocessor/External Interrupt 3 Input Pin
The remote control signal waveform can be determined by inputting the remote control signal
waveform from which the carrier wave was eliminated by the receive circuit to P30
(INT3/RXIN) pin. When the remote control signal preprocessor/external interrupt 3 pin is also
used as the P30 port, set the P30 port output latch to “1”. When it is not used as the remote
control signal preprocessor/external interrupt 3 input pin, it can be used for normal port.
2.10.1
Configuration
Figure 2.10.1 Remote Control Signal Preprocessor
2.10.2
Remote Control Signal Preprocessor Control
When the remote control signal preprocessor is used, operating states are controlled and
monitored by the following registers. Interrupt requests also use the remote control signal
preprocessor/external interrupt 3 input pin.
•
Remote control receive control register 1 (RXCR1)
•
Remote control receive control register 2 (RXCR2)
•
Remote control receive counter register (RXCTR)
•
Remote control receive data buffer register (RXDBR)
•
Remote control receive status register (RXSR)
When this pin is used for the external interrupt 3 input, set EINT in RXCR1 to other
than “11”.
Receive bit counter value monitor (RBCTM)
CREGA
fc/2
11
fc/2
10
fc/2
8
fc/2
7
fc/2
6
fc/2
5
fc/2
2
RNC
INT3
Interrupt
request
INT3/RXIN
Polarity
select
Remote control receive
counter register (RXCTR)
Selector
Noise canceller to
RXCR1
Interrupt
select
RNCM
Receive bit
counter
INT.
8-bit up counter
Selector
fc/2
6
fc/2
8
fc/2
10
fc/2
12
RCCK
RXCR2
Measurement
width select
Shift register
Match detect
RPOLS
2
3
2
2
4
RMM
Remote control receive
data buffer register
(RXDBR)
SRM
Remote control receive
control register 2
Remote control receive
control register 1
EINT
RCS



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