參數(shù)資料
型號: M37534E8SP
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機
文件頁數(shù): 21/55頁
文件大?。?/td> 610K
代理商: M37534E8SP
7534 Group
Rev.2.00
Jun 21, 2004
page 28 of 54
REJ03B0099-0200Z
Fig. 31 Structure of serial I/O1-related registers (5)
UART control register
(UARTCON: address 001B16)
Character length selection bit
0: 8 bits
1: 7 bits
Parity enable bit
0: Parity checking disabled
1: Parity checking enabled
Parity selection bit
0: Even parity
1: Odd parity
Stop bit length selection bit
0: 1 stop bit
1: 2 stop bits
P-channel output disable bit
0: CMOS output
1: N-channel open-drain output
Not used (returns “1” when read)
CPU read: Disabled
CPU write: Set/Clear
Hardware read: Used
Hardware write: Not used
b7
b0
b7
b0
Serial I/O1 control register
(SIO1CON: address 001A16)
BRG count source selection bit
0: f(XIN)
1: f(XIN)/4
Not used (returns “1” when read)
Continuous transmit valid bit
0: Continuous transmit invalid
1: Continuous transmit valid
Transmit interrupt source selection bit
0: Interrupt when transmit buffer has
emptied
1: Interrupt when transmit shift
operation is completed
Transmit enable bit
0: Transmit disabled
1: Transmit enabled
Receive enable bit
0: Receive disabled
1: Receive enabled
Serial I/O1 mode selection bits
00: I/O port
01: Not available
10: UART mode
11: USB mode
CPU read: Disabled
CPU write: Set/Clear
Hardware read: Used
Hardware write: Not used
CPU read: Disabled
CPU write: Set/Clear
Hardware read: Used
Hardware write: Not used
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