参数资料
型号: MB91108PFV
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP120
封装: PLASTIC, LQFP-120
文件页数: 32/96页
文件大小: 1342K
代理商: MB91108PFV
MB91107/108
38
3.
UART
The UART is a serial I/O port for supporting asynchronous (start-stop system) communication or CLK synchro-
nous communication, and it has the following features.
The MB91107 consists of 3 channels of UART.
Full double double buffer
Both a synchronous (start-stop system) communication and CLK synchronous communication are available.
Supporting multi-processor mode
Perfect programmable baud rate
Any baud rate can be set by internal timer (refer to section “4. U-TIMER”).
Any baud rate can be set by external clock.
Error checking function (parity, framing and overrun)
Transfer signal: NRZ code
Enable DMA transfer/start by interrupt.
(1) Register configuration
Serial control register
Address
bit 15
bit 8 bit 7
bit 0
Initial value
Access
SCR0 :
SCR1 :
SCR2 :
00001EH
000022H
000026H
SCR0 to SCR2
(SMR)
0 0 0 0 010 0B
R/W
Serial mode register
Address
bit 15
bit 8 bit 7
bit 0
Initial value
Access
SMR0 :
SMR1 :
SMR2 :
00001FH
000023H
000027H
(SCR)
SMR0 to SMR2
0 0 - - 0 - 0 0B
R/W
Serial status register
Address
bit 15
bit 8 bit 7
bit 0
Initial value
Access
SSR0 :
SSR1 :
SSR2 :
00001CH
000020H
000024H
SSR0 to SSR2
(SIDR/SODR)
0 0 0 01 - 0 0B
R/W
Serial input data register
Address
bit 15
bit 8 bit 7
bit 0
Initial value
Access
SIDR0 :
SIDR1 :
SIDR2 :
00001DH
000021H
000025H
(SSR)
(SIDR/SODR)
XXXXXXXXB
R
Serial output data register
Address
bit 15
bit 8 bit 7
bit 0
Initial value
Access
SIDR0 :
SIDR1 :
SIDR2 :
00001DH
000021H
000025H
(SSR)
(SIDR/SODR)
XXXXXXXXB
R
R/W : Readable and writable
-
: Unused
R
: Read only
X
: Indeterminate
W
: Write only
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