參數(shù)資料
型號: MB90F474LPFV
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-Bit Proprietary Microcontroller
中文描述: 16-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 37/118頁
文件大小: 555K
代理商: MB90F474LPFV
MB90470 Series
37
3.
Expanded I/O Serial Interface
The expended I/O serial interface is a serial I/O interface in 8-bit
×
1 channel configuration allowing clock
synchronized data transmission.
The interface has two serial I/O operating modes.
Internal shift clock mode : Data transfer is synchronized with an internal clock.
External shift clock mode : Data transfer is synchronized with a clock input from an external pin (SCK) .
This mode allows the external clock pin (SCK) to be shared with a general
purpose port that can transfer data according to CPU instructions.
(1) Register List
Serial mode control status register (SMCS)
Serial data register (SDR)
Communication prescaler control register (SDCR0, SDCR1)
Initial value
Address : 000027
H
00002B
H
0 0 0 0 0 0 1 0
B
Initial value
Address
:
000026
H
00002A
H
- - - - 0 0 0 0
B
Initial value
Address
:
000028
H
00002C
H
XXXXXXXX
B
Initial value
Address : 000029
H
00002D
H
0 - - - 0000
B
15
14
13
12
11
10
9
8
SMD1
SMD2
SMD0
SIE
SIR
BUSY
STOP
STRT
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
7
6
5
4
3
2
1
0
MODE
BDS
SOE
SCOE
(R/W)
(R/W)
(R/W)
(R/W)
(
)
(
)
(
)
(
)
7
6
5
4
3
2
1
0
D6
D7
D5
D4
D3
D2
D1
D0
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(
)
(
)
(
)
(R/W)
(R/W)
(R/W)
(R/W)
15
14
13
12
11
10
9
8
(R/W)
MD
DIV3
DIV2
DIV1
DIV0
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