參數(shù)資料
型號(hào)： UPD784218YGF
廠商： NEC Corp.
英文描述： DB15 RJ11 ADAPTER KIT FEMA
中文描述： 16-/8-bit的單晶片微控制器
文件頁數(shù)： 41/92頁
文件大?。?/td> 617K
代理商： UPD784218YGF
μ
PD784218, 784218Y
Data Sheet U12304EJ2V0DS00
41
(2) 3-wire serial I/O mode
In this mode, the master device starts transfer by making the serial clock active and transfers 1-byte data
in synchronization with this clock.
This mode is used to communicate with a device having the conventional clocked serial interface. Basically,
communication is established by using three lines: serial clocks (SCK1 and SCK2), serial data inputs (SI1
and SI2), and serial data outputs (SO1 and SO2). To connect two or more devices, a handshake line is
necessary.
Figure 8-11. Block Diagram When in 3-Wire Serial I/O Mode
Internal bus
8
Interrupt
generator
Selector
Serial clock
counter
Serial clock
controller
Serial I/O shift register
1, 2 (SIO1, SIO2)
SI1, SI2
SO1, SO2
SCK1, SCK2
INTCSI1,
INTCSI2
TO2
f
XX
/8
f
XX
/16
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