參數(shù)資料
型號(hào)： UPD780016Y
廠商： NEC Corp.
元件分類： 8位微控制器
英文描述： 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述： 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁(yè)數(shù)： 24/42頁(yè)
文件大?。?/td> 189K
代理商： UPD780016Y
24
μ
PD780016Y, 780018Y
5.7 Serial Interfaces
There are the following three on-chip serial interface channels synchronous with the clock:
Serial interface channel 1
Serial interface channel 4
Serial interface channel 5
Table 5-3. Types and Functions of Serial Interfaces
Function
Serial Interface Channel 1
Serial Interface Channel 4
Serial Interface Channel 5
3-wire serial I/O mode
—
(Starting bit MSB/LSB switching possible)
(Starting bit MSB/LSB switching possible)
3-wire serial I/O mode with
automatic data transmit/
/receive function
—
—
(Starting bit MSB/LSB switching possible)
3-wire serial I/O mode with
automatic data transmit/
receive function
—
—
(Starting bit MSB/LSB switching possible)
I
2
C bus mode
—
—
(MSB first)
Figure 5-10. Serial Interface Channel 1 Block Diagram
Internal bus
Buffer RAM
Automatic data transmit/
receive address
pointer (ADTP)
Serial I/O shift
register 1 (SIO1)
Automatic data
transmit/receive
interval specification
register (ADTI)
Match
5-bit counter
S
Handshake
control
circuit
Serial clock counter
SI1/P20
SO1/P21
STB/P23
BUSY/P24
SCK1/P22
INTCSI1
f
XX
/2
2
—f
XX
/2
8
TO2
Interrupt request
signal generator
Serial clock
control circuit
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