參數(shù)資料
型號(hào): M30240S9-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: 16 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor
中文描述: 單片16位CMOS微機(jī)
文件頁(yè)數(shù): 83/142頁(yè)
文件大?。?/td> 1637K
代理商: M30240S9-XXXFP
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1-83
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
UART0 through UART2
2.23 UART0 through UART2
Serial I/O is configured as three channels: UART0, UART1, and UART2. UART0, UART1, and UART2
each have an exclusive timer to generate a transfer clock, so they operate independently of each other.
Figure 1.74 shows the block diagram of UART0, UART1, and UART2.
Figure 1.74: Block diagram of UARTi (i=0 to 2)
n0 : Values set to UART0 bit rate generator (BRG0)
RxD
2
cReception
Transmission
1 / (n
2
+1)
1/16
1/16
1/2
Bit rate generator
(address 0379
16
)
Clock synchronous type
UART reception
Clock synchronous type
UART transmission
Clock synchronous type
(when internal clock is selected)
Clock synchronous type
Receive
Transmit
CLK
2
CTS
2
/ RTS
2
f
1
f
8
f
32
Vcc
RTS
2
CTS
2
TxD
2
(UART2)
RxD polarity
reversing circuit
TxD
rcircuit
RxD
0
1 / (n
0
+1)
1/2
Bit rate generator
16
)
Clock synchronous type
UART reception
Clock synchronous type
UART transmission
Clock synchronous type
(when internal clock is selected)
Clock synchronous type
Receive
Transmit
clock
CLK
0
Clock source selection
f
1
f
8
f
32
CTS
0
/ RTS
0
cReception
Transmission
Internal
External
RTS
0
CTS
0
TxD
0
receive
unit
RxD
1
1 / (n
1
+1)
1/16
1/16
1/2
Bit rate generator
16
)
Clock synchronous type
UART reception
Clock synchronous type
UART transmission
Clock synchronous type
(when internal clock is selected)
Clock synchronous type
(when external clock is
Receive
Transmit
CLK
1
Clock source selection
f
1
f
8
f
32
cReception
Transmission
Internal
External
RTS
1
CTS
1
TxD
1
(UART1)
(UART0)
rpCLK
circuit
rcircuit
CTS/RTS disabled
Clock output pin
select switch
CTS
1
/ RTS
1
CLKS
1
CTS/RTS disabled
CTS/RTS selected
CTS/RTS disabled
V
CC
CTS/RTS disabled
CTS/RTS disabled
CTS/RTS disabled
CTS/RTS
rcircuit
Internal
External
Clock source selection
receive
unit
Transmit/
runit
1/16
1/16
V
CC
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