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SDA 6000
PRELIMINARY DATA SHEET
Version 2.1
Peripherals
7 - 54
Micronas
Figure 7-27
IrDA Frame Encoding/Decoding
7.3.1.2
Asynchronous Transmission
Asynchronous transmission begins at the next overflow of the divide-by-16 baud rate
timer (transition of the baud rate clock
f
BR
), if bit S0R must be set and data has been
loaded into S0TBUF. The transmitted data frame consists of three basic elements:
• the start bit
• the data field (8 or 9 bits, LSB first, including a parity bit, if selected)
• the delimiter (1 or 2 stop bits)
Data transmission is double buffered. When the transmitter is idle, the transmit data
loaded into S0TBUF is immediately moved to the transmit shift register thus freeing
S0TBUF for the next data to be sent. This is indicated by the transmit buffer interrupt
request line S0TBIR being activated. S0TBUF may now be loaded with the next data,
while transmission of the previous one is still going on.
The transmit interrupt request line S0TIR will be activated before the last bit of a frame
is transmitted, e.g. before the first or the second stop bit is shifted out of the transmit shift
register.
For alternate data output the transmitter output pin TXD0 must be configured.
UED11146
8 Data Bits
0
1
1
0
0
0
1
1
0
1
UART Frame
Bit
Start
Stop
Bit
0
0
1
0
1
0
1
1
0
1
IR Frame
Bit
Start
8 Data Bits
Stop
Bit
Bit Time
1/2 BitTime
Pulse Width =
3/16 Bit Time
(or variable length)
Содержание SDA 6000
Страница 3: ...Contents Overview...
Страница 21: ...Pin Description...
Страница 22: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Pin Descriptions 2 3 Micronas 2 Pin Descriptions...
Страница 29: ...Architectural Overview...
Страница 33: ...C16X Microcontroller...
Страница 34: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 C16X Microcontroller 4 3 Micronas 4 C16X Microcontroller...
Страница 88: ...Interrupt and Trap Function...
Страница 122: ...System Control Configuration...
Страница 159: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 System Control Configuration 6 40 Micronas...
Страница 160: ...Peripherals...
Страница 282: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Peripherals 7 124 Micronas...
Страница 283: ...Clock System...
Страница 284: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 3 Micronas 8 Clock System...
Страница 288: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 8 Micronas...
Страница 289: ...Sync System...
Страница 290: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Sync System 9 3 Micronas 9 Sync System...
Страница 301: ...Display Generator...
Страница 302: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Display Generator 10 3 Micronas 10 Display Generator...
Страница 348: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Display Generator 10 50 Micronas...
Страница 349: ...D A Converter...
Страница 352: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 D A Converter 11 6 Micronas...
Страница 353: ...Slicer and Acquisition...
Страница 354: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Slicer and Acquisition 12 3 Micronas 12 Slicer and Acquisition...
Страница 381: ...Register Overview...
Страница 398: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Register Overview 13 20 Micronas...
Страница 399: ...Elelctrical Characteristics...
Страница 400: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Electrical Characteristics 14 3 Micronas 14 Electrical Characteristics...
Страница 411: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Electrical Characteristics 14 14 Micronas...