參數(shù)資料
型號: MB90W224AZF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQFP120
封裝: CERAMIC, QFP-120
文件頁數(shù): 42/105頁
文件大小: 1700K
代理商: MB90W224AZF
41
MB90220 Series
4. UART1
The UART1 is a serial I/O port for asynchronous communications (start-stop synchronization) or CLK
synchronized communications. It has the following features:
Full-duplex double buffering
Permits asynchronous (start-stop synchronization) and CLK synchronous communications
Multiprocessor mode support
Built-in dedicated baud rate generator
Asynchronous:
9615, 31250, 4808, 2404, and 1202 bps
CLK synchronization: 1 M, 500 K, 250 K bps
Arbitray baud-rate setting from external clock input or internal timer
Error detection function (parity errors, framing errors, and overrun errors)
Transfer in format NRZ
Extended supports intelligent I/O service
(1) Register Configuration
bit15
bit14
bit13
bit12
bit11
bit10
bit9
PEN
P
SBL
CL
A/D
REC
RXE
TXE
bit8
00002F H
SCR
00000100B
bit7
bit6
bit5
bit4
bit3
bit2
bit1
MD1
MD0
CS2
CS1
CS0
BCH
SCKE
SOE
bit0
00002E H
SMR
00000000B
D7
D6
D5
D4
D3
D2
D1
D0
000030 H
SIDR
XXXXXXXXB
D7
D6
D5
D4
D3
D2
D1
D0
000030 H
SODR
XXXXXXXXB
PE
ORE
FRE
RDRF
TDRE
RIE
TIE
000031 H
SSR
00001-00B
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
bit15
bit14
bit13
bit12
bit11
bit10
bit9
bit8
Register name Address
Initial value
(R/W)
(R)
(R/W)
(W)
(R)
(R/W)
Mode Register (SMR)
SCR (Control Register)
Input Data Register (SIDR)/Serial Output Data Register (SODR)
SSR (Status Register)
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