參數(shù)資料
型號: MB90337PFM
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP64
封裝: 12 X 12 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù): 38/92頁
文件大?。?/td> 858K
代理商: MB90337PFM
MB90335 Series
43
7.
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
×
1 channel configured clock synchronization scheme. LSB-first or MSB-first transfer mode can be selected for
data transfer.
There are 2 serial I/O operation modes available:
Internal shift clock mode : Transfer data in synchronization with the internal clock.
External shift clock mode : Transfer data in synchronization with the clock supplied via the external pin (SCK).
By manipulating the general-purpose port sharing the external pin (SCK) in this
mode, data can also be transferred by a CPU instruction.
Register list
Serial mode control status register (SMCS)
Serial data register (SDR)
Communication prescaler control register (SDCR)
Initial Value
Address :
000059H
00000010 B
Initial Value
Address :
000058H
XXXX0000 B
Initial Value
Address :
00005AH
XXXXXXXXB
Initial Value
Address :
00005BH
0XXX0000B
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
DIV3
DIV2
DIV1
DIV0
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