參數(shù)資料
型號: EM78P809NP
廠商: ELAN Microelctronics Corp .
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 22/75頁
文件大?。?/td> 531K
代理商: EM78P809NP
EM78P809N
8-Bit Microcontroller
18
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
Bit 6 ~ Bit 5 ( UMODE1 ~ UMODE0 ) :
UART Transmission Mode Select Bit
UMODE1
UMODE0
UART Mode
0
0
Mode1: 7-bits
0
1
Mode2: 8-bits
1
0
Mode3: 9-bits
1
1
Reserved
Bit 4 ~ Bit 2 ( BRATE2 ~ BRATE1 ) :
Transmit Baud Rate Select
BRATE2
BRATE1
BRATE0
Baud Rate
e.g. Fc=8MHz
0
0
0
Fc/13
38400
0
0
1
Fc/26
19200
0
1
0
Fc/52
9600
0
1
1
Fc/104
4800
1
0
0
Fc/208
2400
1
0
1
Fc/416
1200
1
1
0
TC4
1
1
1
Fc/96
Bit 1 ( UTBE ) :
UART transfer buffer empty flag. Set to 1 when transfer buffer is
empty. Reset to 0 automatically when writing into the URTD register. UTBE bit will
be cleared by hardware when enabling the transmission. UTBE bit is read-only.
Therefore, writing to the URTD register is necessary when we want to start
transmission shifting.
Bit 0 ( TXE )
: Enable transmission
TXE = “0” :
Disable
TXE = “1” :
Enable
URC2
UART Control Register 2 ( Address: 06h )
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
0
0
SBIM1
SBIM0
UINVEN
0
0
0
Bit 5 ~ Bit 4 ( SBIM1 ~ SBIM0 ) :
Serial bus interface operation mode select.
TC2CK1
TC2CK0
Operation Mode
0
0
I/O mode
0
1
SPI mode
1
0
UART mode
1
1
Reserved
Bit 3 ( UINVEN ) :
Enable UART TXD and RXD port inverse output.
UINVEN = “0” :
Disable TXD and RXD port inverse output.
UINVEN = “1” :
Enable TXD and RXD port inverse output.
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