參數(shù)資料
型號(hào)： MB90W234
廠商： Fujitsu Limited
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16位微控制器專有
文件頁數(shù)： 31/83頁
文件大?。?/td> 1513K
代理商： MB90W234
31
MB90230 Series
3. UART
The UART is a serial I/O port for synchronous or asynchronous communication with external resources. It has
the following features:
Full-duplex double buffering
Data transfer synchronous or asynchronous with clock pulses
Multiprocessor mode support (Mode 2)
Internal dedicated baud-rate generator
Arbitrary baud-rate setting from external clock input or internal timer
Variable data length (7 to 9 bits (without parity bit); 6 to 8 bits (with parity bit))
Error detection function (Framing, overrun, parity)
Interrupt function (Two sources for transmission and reception)
Transfer in NRZ format
(1) Register Configuration
8 bits
8 bits
USR
URD
UMC
UIDR (R)/UODR (W)
15
8
7
0
(R/W)
(R/W)
PEN
SBL
MC1
MC0
SMDE
RFC
SCKE
SOE
7
6
5
4
3
2
1
0
RDRF
ORFE
PE
TDRE
RIE
TIE
RBF
TBF
15
14
13
12
11
10
9
8
D7
D6
D5
D4
D3
D2
D1
D0
7
6
5
4
3
2
1
0
—
RC2
RC1
RC0
—
—
P
D8
15
14
13
12
11
10
9
8
MD
—
—
—
DIV3
DIV2
DIV1
DIV0
15
14
13
12
11
10
9
8
Address: 000020
H
Address: 000021
H
Address: 000022
H
Address: 000023
H
Address: 00002D
H
bit
bit
bit
bit
bit
Mode control register
(UMC)
Status register
(USR)
Serial input data register
Serial output data register
(UIDR/UODR)
Rate and data register
(URD)
Communication prescaler
(CDCR)
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