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ST2202 Datasheet(PDF) 52 Page - List of Unclassifed Manufacturers

Part # ST2202
Description  8 BIT Integrated Microcontroller with 256K Bytes ROM
PDF  65 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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ST2202 Datasheet(HTML) 52 Page - List of Unclassifed Manufacturers

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Sitronix
ST2202
Ver 2.0a
52/65
2003-May-05
pins also interface to standard RS-232 and infrared
transceiver modules.
18.4 UART Control/Status Registers
18.4.1 UART Control Register
TABLE 18-2 UART Control Register
Address Name
R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
$060
UCTR
R/W
-
-
-
-
PEN
PMOD
UMOD
BRK
- - - - 0000
Bit 3: PEN : Parity control bit
0 = Disable parity
1 = Enable parity
Bit 2: PMOD : Parity mode selection bit
0 = Even parity
1 = Odd parity
Bit 1: UMOD : 7-/8- bit mode selection bit
0 = 7- bit mode (the received data bit 7 will be set to zero)
1 = 8-bit mode
Bit 0: BRK : Break character
0 = Normal character
1 = Transmit break character
18.4.2 UART Status Control Register
TABLE 18-3 UART Status Control Register
Address Name
R/W
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Default
R
-
FER
PER
OER
RXBZ
RXEN
TXBZ
TXEN
-000 0000
$061
USTR
W
-
-
-
-
RXTRG
RXEN
TXTRG
TXEN
- - - - 0000
Bit 6: FER : Received data frame error status bit
0 = Current received data is normal
1 = Frame error occurs
Bit 5: PER : Parity error status bit
0 = Current received data is normal
1 = Parity error occurs
Bit 4: OER : Overrun error status bit
0 = Current received data is normal
1 = Overrun occurs
Bit 3: RXBZ : Receiver busy bit
0 = Receiver is not busy
1 = Receiver is busy
Bit 2: RXEN : Receiver control bit
0 = Receiver is disabled
1 = Receiver is enabled
Bit 1: TXBZ : Transmitter busy bit
0 = Transmitter is not busy
1 = Transmitter is busy
Bit 0: TXEN : Transmitter control bit
0 = Transmitter is disabled
1 = Transmitter is enabled
Bit 3: RXTRG : Receiver trigger bit
Writing “1” to make receiver to be ready for next
data
Bit 1: TXTRG : Transmitter trigger bit
Writing “1” to trigger the transmitter to start
transmission



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