參數(shù)資料
型號(hào)： UPD784038Y
廠商： NEC Corp.
英文描述： 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 16-/8-bit的單晶片微控制器
文件頁(yè)數(shù)： 42/94頁(yè)
文件大?。?/td> 503K
代理商： UPD784038Y
μ
PD784035Y, 784036Y, 784037Y, 784038Y
42
(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: one serial clock (SCK) and two serial data (SI and SO)
lines.
Generally, a handshake line is necessary to check the communication state.
Figure 7-11. Block Diagram in 3-wire Serial I/O Mode
Remark
f
XX
: oscillation frequency or external clock input
n = 0 through 11
m = 1 or 16 through 30
Internal bus
Direction control circuit
SIO1, SIO2
Shift register
Output latch
Serial clock counter
Serial clock
control circuit
Interrupt signal
generation circuit
1/m
1/2
n+1
INTCSI1,
INTCSI2
SI1, SI2
SO1, SO2
SCK1, SCK2
f
XX
/2
S
相關(guān)PDF資料
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UPD784037YGK TRANS PREBIASED DUAL NPN SOT363
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UPD784218GC Connector assemblies, Network cables;
UPD784218GF 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
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