参数资料
型号: MB90803SPF-G
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件页数: 27/92页
文件大小: 2250K
代理商: MB90803SPF-G
MB90800 Series
DS07-13733-5E
33
4.
Extended I/O serial interface
The extended I/O serial interface is a serial I/O interface that can transfer data through the adoption of 8-bit
×
2 channels configured clock synchronization scheme. The extended I/O serial interface also has two alternatives
in data transfer called LSB first and MSB first.
The serial I/O interface operates in two modes:
(1) Register list
Internal shift clock mode : Transfer data in sync with the internal clock.
External shift clock mode : Transfers data in sync with the clock input through an external pin (SC) . In this
mode, transfer operation performed by the CPU instruction is also available by
operating the general-use port sharing an external pin (SC) .
Serial mode control status register (SMCS0, SMCS1)
Serial Data Register (SDR0, SDR1)
Communication Prescaler control register (SDCR0, SDCR1)
- : Unused
bit
Initial Value
Address :
000060H
000064H
00000010B
Read/Write
bit
Address :
000061H
000065H
----0000B
Read/Write
bit
Address :
000062H
000066H
XXXXXXXXB
Read/Write
bit
Address :
000063H
000067H
0---0000B
Read/Write
15
14
13
12
11
10
9
8
SMD1
SMD2
SMD0
SIE
SIR
BUSY
STOP
STRT
R/W
R
R/W
76
5
4
3
2
1
0
MODE
BDS
SOE
SCOE
R/W
76
5
4
3
2
1
0
D6
D7
D5
D4
D3
D2
D1
D0
R/W
R/W
15
14
13
12
11
10
9
8
R/W
MD
DIV2
DIV1
DIV0
Reserved
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