参数资料
型号: M38004E8SS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP64
封装: 0.750 INCH, 1.78 MM PITCH, WINDOWED, CERAMIC, SDIP-64
文件页数: 150/174页
文件大小: 1752K
代理商: M38004E8SS
2-28
3800 GROUP USER’S MANUAL
APPLICATION
2.3 Serial I/O
2.3.3 Serial I/O connection examples
(1) Control of peripheral IC equipped with CS pin
There are connection examples using a clock synchronous serial I/O mode.
Figure 2.3.10 shows connection examples of a peripheral IC equipped with the CS pin.
Fig. 2.3.10 Serial I/O connection examples (1)
Port
CS
CLK
IN
OUT
(4) Connecting ICs
3800 group
Peripheral IC 1
Peripheral IC 2
Port
SCLK
TXD
RXD
CS
CLK
IN
OUT
(2) Transmission and reception
3800 group
Peripheral IC
(E PROM etc.)
2
(3) Transmission and reception
(Pins RXD and TXD are connected)
(Pins IN and OUT in peripheral IC
are connected)
CS
CLK
IN
OUT
3800 group
Peripheral IC
(E PROM etc.)
2
T2
“Port” is an output port controlled by software.
Note:
Port
SCLK
TXD
CS
CLK
DATA
(1) Only transmission
(using the RXD pin as an I/O port)
3800 group
Peripheral IC
(OSD controller etc.)
T1
T
1: Select an N-channel open-drain output control of TXD pin.
2: Use such OUT pin of peripheral IC as an N-channel open-
drain output in high impedance during receiving data.
Port
SCLK
TXD
RXD
SCLK
TXD
RXD
Port
CS
CLK
IN
OUT
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相关代理商/技术参数
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