参数资料
型号: M38002E4SP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP64
封装: 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64
文件页数: 147/174页
文件大小: 1752K
代理商: M38002E4SP
2-25
3800 GROUP USER’S MANUAL
APPLICATION
2.3 Serial I/O
Fig. 2.3.4 Structure of Serial I/O control register
Fig. 2.3.5 Structure of UART control register
b7 b6 b5 b4 b3 b2 b1 b0
UART control register (UARTCON) [Address : 1B16]
UART control register
0
1
Character length
selection bit (CHAS)
0 : 8 bits
1 : 7 bits
Parity enable bit
(PARE)
0 : Parity checking disabled
1 : Parity checking enabled
Stop bit length selection
bit (STPS)
0 : 1 stop bit
1 : 2 stop bits
P45/TxD P-channel
output disable bit
(POFF)
Nothing is allocated for these bits. These are write
disabled bits. When these bits are read out, the
values are “1.”
Parity selection bit
(PARS)
0 : Even parity
1 : Odd parity
1
1
At reset
B
Name
Function
RW
0
1
2
3
4
5
6
7
In output mode
1 : N-channel open-drain
output
0 : CMOS output
b7 b6 b5 b4 b3 b2 b1 b0
Serial I/O control register
0
0 : Transmit buffer empty
1 : Transmit shift operating
completion
0 : f(XIN)
1 : f(XIN)/4
Serial I/O synchronous clock
selection bit (SCS)
At selecting clock synchronous serial I/O
0 : BRG output divided by 4
1 : External clock input
At selecting UART
0 : BRG output divided by 16
1 : External clock input divided by 16
Transmit interrupt
source selection bit
(TIC)
SRDY
output enable bit
(SRDY)
0 : I/O port (P47)
1 : SRDY output pin
At reset
B
Name
Function
RW
0
1
2
3
0
0 : Transmit disabled
1 : Transmit enabled
Transmit enable bit (TE)
Receive enable bit (RE)
0 : Receive disabled
1 : Receive enabled
4
5
0
Serial I/O enable bit
(SIOE)
Serial I/O mode
selection bit (SIOM)
0 : UART
1 : Clock synchronous serial I/O
0 : Serial I/O disabled
(P44–P47 : I/O port)
1 : Serial I/O enabled
(P44–P47 : Serial I/O function pin)
6
7
BRG count source
selection bit (CSS)
Serial I/O control register (SIOCON) [Address : 1A16]
相关PDF资料
PDF描述
M37480M2T-XXXFP 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO32
M38503E4SS 8-BIT, UVPROM, 4 MHz, MICROCONTROLLER, CDIP42
M30803MG-XXXFP 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100
M38C24M6-XXXHP 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP64
M38C24M6A-XXXFP 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64
相关代理商/技术参数
参数描述
M38002E4SS 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
M38002E4-XXXFP 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
M38002E4-XXXFS 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
M38002E4-XXXHP 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER
M38002E4-XXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 38000 SERIES