參數資料
型號: S1C6N3B0D0A0100
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, UUC54
封裝: DIE-54
文件頁數: 49/79頁
文件大?。?/td> 606K
代理商: S1C6N3B0D0A0100
S1C6N3B0 TECHNICAL MANUAL
EPSON
45
CHAPTER 4: PERIPHERAL CIARCUITS AND OPERATION (Serial Interface)
4.9 Serial Interface
4.9.1 Configuration of serial interface
The S1C6N3B0 Series has a built-in 8-bit synchronous clock type serial interface.
The configuration of the serial interface is shown in Figure 4.9.1.1.
The serial input/output ports SIN, SOUT, SCLK and SRDY are common used with the I/O ports P00,
P01, P02 and P03. The port (terminal) configuration can be selected by mask option. The serial input and
output can also be shared using the P00 terminal as the SIO terminal.
The CPU, via the 8-bit shift register, can read the serial input data from the SIN/SIO terminal. Moreover,
via the same 8-bit shift register, it can convert parallel data into serial data and output it to the SOUT/SIO
terminal.
The synchronous clock for serial data input/output can be selected by software any one of 2 types of
master mode (internal clock mode: when the S1C6N3B0 Series is to be the master for serial input/output)
and a type of slave mode (external clock mode: when the S1C6N3B0 Series is to be the slave for serial
input/output).
SD0–SD7
SCS0
SCS1
SEN
SIOMODE
Output
latch
EISIO
Serial interface
interrupt control
circuit
ISIO
SRDY(P03)
SCTRG
Serial interface
start-up circuit
System clock
Serial clock
counter
Serial clock
selector
Shift register (8 bits)
Serial clock
generator
SOUT(P01)/SIO(P00)
MODE(P01)
SIN/SIO(P00)
SCLK(P02)
I/O control
Fig. 4.9.1.1 Configuration of serial interface
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