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M38045FFHKP датащи(PDF) 180 Page - Renesas Technology Corp

номер детали M38045FFHKP
подробное описание детали  8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES
PDF  387 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M38045FFHKP датащи(HTML) 180 Page - Renesas Technology Corp

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2-56
APPLICATION
2.4 Serial interface
Rev.1.00 Jan 14, 2005
REJ09B0212-0100Z
3804 Group (Spec.H)
2.4.3 Serial I/O connection examples
(1)
Control of peripheral IC equipped with CS pin
Figure 2.4.16 shows connection examples of a peripheral IC equipped with the CS pin.
There are connection examples using a clock synchronous serial I/O mode.
Fig. 2.4.16 Serial I/O connection examples (1)
Port
SCLKi
TXDi
RXDi
Port
CS
CLK
IN
OUT
CS
CLK
IN
OUT
(4) Connection of plural IC
Peripheral IC 1
Peripheral IC 2
Port
SCLKi
TXDi
CS
CLK
IN
OUT
(2) Transmission and reception
Peripheral IC
(E PROM etc.)
2
(3) Transmission and reception
(When connecting RXDi with TXDi)
(When connecting IN with OUT in
peripheral IC)
CS
CLK
IN
OUT
Peripheral IC
(E PROM etc.)
2
✽2
“Port” means an output port controlled by software.
Use SOUT2 and SIN2 instead of TxDi and RxDi for the
serial I/O2. (i = 1, 3)
Notes 1:
2:
Port
SCLKi
TXDi
CS
CLK
DATA
(1) Only transmission
(Using the RXDi pin as an I/O port)
3804 group
(Spec. H)
Peripheral IC
(OSD controller etc.)
✽1
✽
1: Select an N-channel open-drain output for TXDi pin output control.
✽
2: Use the OUT pin of peripheral IC which is an N-channel open-
drain output and becomes high impedance during receiving data.
Port
SCLKi
TXDi
RXDi
RXDi
3804 group
(Spec. H)
3804 group
(Spec. H)
3804 group
(Spec. H)



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