参数资料
型号: MB91F355APMT
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 50 MHz, RISC MICROCONTROLLER, PQFP176
封装: 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-176
文件页数: 76/112页
文件大小: 1095K
代理商: MB91F355APMT
MB91350A Series
66
10. Extended I/O Serial Interface (SIO)
(1) Description
This block is a serial I/O interface that allows data transfer using clock synchronization. It consists of a single
eight-bit channel.
LSB-first or MSB-first transfer mode can be selected for data transfer.
The MB91F355A/MB91355A/MB91354A/MB91V350A contain three channels of this SIO.
The serial I/O interface operates in two modes:
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 trans-
ferred by a CPU instruction.
(2) Register list
Serial mode control status register (SMCS)
SIO test resister(SES)
SDR (Serial Data Register)
SIO prescaler control register (CDCR)
DMAC interrupt source clear register (SRCL)
15
14
13
12
11
10
9
8
SMD1
SMD2
SMD0
SIE
SIR
BUSY
STOP
STRT
76
5
4
3
2
1
0
MODE
BDS
15
14
13
12
11
10
9
8
TST1
TST0
76
5
4
3
2
1
0
D6
D7
D5
D4
D3
D2
D1
D0
15
14
13
12
11
10
9
8
MD
DIV3
DIV2
DIV1
DIV0
76
5
4
3
2
1
0
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