參數(shù)資料
型號： M30302MAL-XXXGP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù)： 165/168頁
文件大?。?/td> 2424K
代理商： M30302MAL-XXXGP
Serial I/O
93
Mitsubishi microcomputers
M16C / 30L Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Serial I/O
Serial I/O is configured as three channels: UART0, UART1, UART2.
UART0, UART1 and UART2 each have an exclusive timer to generate a transfer clock, so they operate
independently of each other.
Figure 1.16.1 shows the block diagram of UART0, UART1 and UART2. Figures 1.16.2 and 1.16.3 show
the block diagram of the transmit/receive unit.
UARTi (i = 0 to 2) has two operation modes: a clock synchronous serial I/O mode and a clock asynchronous
serial I/O mode (UART mode). The contents of the serial I/O mode select bits (bits 0 to 2 at addresses
03A016, 03A816 and 037816) determine whether UARTi is used as a clock synchronous serial I/O or as a
UART. Although a few functions are different, UART0, UART1 and UART2 have almost the same functions.
UART2, in particular, is used for the SIM interface with some extra settings added in clock-asynchronous
serial I/O mode (Note). It also has the bus collision detection function that generates an interrupt request if
the TxD pin and the RxD pin are different in level.
Table 1.16.1 shows the comparison of functions of UART0 through UART2, and Figures 1.16.4 to 1.16.9
show the registers related to UARTi.
Note: SIM : Subscriber Identity Module
Note 1: Only when clock synchronous serial I/O mode.
Note 2: Only when clock synchronous serial I/O mode and 8-bit UART mode.
Note 3: Only when UART mode.
Note 4: Using for SIM interface.
UART0
UART1
UART2
Function
CLK polarity selection
Continuous receive mode selection
LSB first / MSB first selection
Impossible
Transfer clock output from multiple
pins selection
Impossible
Serial data logic switch
Impossible
Sleep mode selection
Impossible
TxD, RxD I/O polarity switch
Impossible
Possible
CMOS output
TxD, RxD port output format
CMOS output
N-channel open-drain
output
Impossible
Parity error signal output
Impossible
Bus collision detection
Impossible
Possible
(Note 1)
Possible
(Note 1)
Possible
(Note 1)
Possible
(Note 3)
Possible
(Note 1)
Possible
(Note 1)
Possible
(Note 1)
Possible
(Note 1)
Possible
(Note 3)
Possible
(Note 1)
Possible
(Note 2)
Possible
(Note 1)
Possible
(Note 4)
Possible
(Note 4)
Table 1.16.1. Comparison of functions of UART0 through UART2
相關PDF資料
PDF描述
M30302MAL-XXXFP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
M30302M8L-XXXFP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
M30302MAP-XXXGP 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
M30302GGP-XXXGP 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100
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相關代理商/技術參數(shù)
參數(shù)描述
M30302MAP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30302MAP-XXX 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30302MAP-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30302MAP-XXXGP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M30302MA-XXX 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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