參數(shù)資料
型號(hào)： 7548
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(jī)
文件頁(yè)數(shù)： 36/73頁(yè)
文件大?。?/td> 1255K
代理商： 7548
Rev.2.00
REJ03B0210-0200
Mar 15, 2007
Page 36 of 70
7548 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
Fig 47. Structure of serial I/O1-related registers
b7
Transmit buffer empty flag (TBE)
0: Buffer full
1: Buffer empty
Receive buffer full flag (RBF)
0: Buffer empty
1: Buffer full
Transmit shift completion flag (TSC)
0: Transmit shift inprogress
1: Transmit shift completed
Overrun error flag (OE)
0: No error
1: Overrun error
Parity error flag (PE)
0: No error
1: Parity error
Framing error flag (FE)
0: No error
1: Framing error
Summing error flag (SE)
0: (OE) U (PE) U (FE)=0
1: (OE) U (PE) U (FE)=1
Not used (returns “1” when read)
UART control register
(UARTCON: address 001B
16
, initial value: E0
16
)
Character length selection bit (CHAS)
0: 8 bits
1: 7 bits
Parity enable bit (PARE)
0: Parity checking disabled
1: Parity checking enabled
Parity selection bit (PARS)
0: Even parity
1: Odd parity
Stop bit length selection bit (STPS)
0: 1 stop bit
1: 2 stop bits
P0
5
/T
X
D P-channel output disable bit (POFF)
0: CMOS output (in output mode)
1: N-channel open drain output (in output mode)
Not used (return “1” when read)
BRG count source selection bit (CSS)
0:
φ
SOURCE
1:
φ
SOURCE/4
Serial I/O synchronous clock selection bit (SCS)
0: BRG output divided by 4 when clock synchronous
serial I/O is selected, BRG output divided by 16
when UART is selected.
1: External clock input when clock synchronous serial
I/O is selected, external clock input divided by 16
when UART is selected.
S
RDY
output enable bit (SRDY)
0: P0
7
pin operates as ordinary I/O pin
1: P0
7
pin operates as S
RDY
output pin
Transmit interrupt source selection bit (TIC)
0: Interrupt when transmit buffer has emptied
1: Interrupt when transmit shift operation is completed
Transmit enable bit (TE)
0: Transmit disabled
1: Transmit enabled
Receive enable bit (RE)
0: Receive disabled
1: Receive enabled
Serial I/O mode selection bit (SIOM)
0: Clock asynchronous (UART) serial I/O
1: Clock synchronous serial I/O
Serial I/O enable bit (SIOE)
0: Serial I/O disabled
(pins P0
4
to P0
7
operate as ordinary I/O pins)
1: Serial I/O enabled
(pins P0
4
to P0
7
operate as serial I/O pins)
Serial I/O control register
(SIOCON: address 001A
16
, initial value: 00
16
)
Serial I/O status register
(SIOSTS: address 0019
16
, initial value: 80
16
)
b0
b7
b0
b7
b0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
7548_07 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Standard Characteristics
7548_0710 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
75481-001 功能描述:集管和線殼 BACKPANEL PINS RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點(diǎn)類型:Pin (Male) 節(jié)距:1 mm 位置/觸點(diǎn)數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點(diǎn)材料:Brass 觸點(diǎn)電鍍:Gold 制造商:Hirose Connector
75481-002 功能描述:集管和線殼 BERGPIN - WITH LARGE STA-R RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點(diǎn)類型:Pin (Male) 節(jié)距:1 mm 位置/觸點(diǎn)數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點(diǎn)材料:Brass 觸點(diǎn)電鍍:Gold 制造商:Hirose Connector
75481-004 功能描述:集管和線殼 BERGPIN RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點(diǎn)類型:Pin (Male) 節(jié)距:1 mm 位置/觸點(diǎn)數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點(diǎn)材料:Brass 觸點(diǎn)電鍍:Gold 制造商:Hirose Connector
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