参数资料
型号: M30201F4T-FP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP56
封装: PLASTIC, QFP-56
文件页数: 140/158页
文件大小: 1633K
代理商: M30201F4T-FP
82
Serial I/O
Figure 1.75. Typical transmit/receive timings in clock synchronous serial I/O mode
Example of transmit timing (when internal clock is selected)
Example of receive timing (when external clock is selected)
Clock synchronous serial I/O mode
Tc = TCLK = 2(n + 1) / fi
fi: frequency of BRG0 count source (f1, f8, f32, fc)
n: value set to BRG0
Transfer clock
Transmit enable
bit (TE)
Transmit buffer
empty flag (Tl)
CLK0
TxD0
Transmit
register empty
flag (TXEPT)
“0”
“1”
“0”
“1”
“0”
“1”
The above timing applies to the following settings:
Internal clock is selected.
CLK polarity select bit = “0”.
Transmit interrupt cause select bit = “0”.
Transmit interrupt
request bit (IR)
“0”
“1”
1 / fEXT
Dummy data is set in UART0 transmit buffer register
Transmit enable
bit (TE)
Transmit buffer
empty flag (Tl)
CLK0
RxD0
Receive complete
flag (Rl)
“0”
“1”
“0”
“1”
“0”
“1”
Receive enable
bit (RE)
“0”
“1”
Receive data is taken in
Transferred from UART0 transmit buffer register to UART0 transmit register
Read out from UART0 receive buffer register
The above timing applies to the following settings:
External clock is selected.
CLK polarity select bit = “0”.
fEXT: frequency of external clock
Transferred from UART0 receive register
to UART0 receive buffer register
Receive interrupt
request bit (IR)
“0”
“1”
D0 D1 D2 D3
D4 D5
D6
D7
D0
D1 D2
D3 D4
D5
Shown in ( ) are bit symbols.
Meet the following conditions are met when the CLK
input before data reception = “H”
Transmit enable bit
“1”
Receive enable bit
“1”
Dummy data write to UART0 transmit buffer register
Shown in ( ) are bit symbols.
Cleared to “0” when interrupt request is accepted, or cleared by software
Tc
TCLK
Stopped pulsing because transfer enable bit = “0”
Data is set in UART0 transmit buffer
register
Transferred from UART0 transmit buffer register to UART0
transmit register
Cleared to “0” when interrupt request is accepted, or cleared by software
D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6
D7
D0 D1 D2 D3 D4 D5 D6 D7
相关PDF资料
PDF描述
M38259EFFS 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CQCC100
M38259EF-XXXFP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP100
M37471E8SS 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CDIP42
M38503E6FP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDSO42
M37212M6-XXXFP 8-BIT, MROM, MICROCONTROLLER, PQFP80
相关代理商/技术参数
参数描述
M30201F4T-XXXFP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
M30201F4T-XXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
M30201F4-XXXFP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
M30201F4-XXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
M30201F6 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER