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C167CS Datasheet(PDF) 267 Page - Infineon Technologies AG

Part # C167CS
Description  16-Bit Single-Chip Microcontroller
PDF  517 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

C167CS Datasheet(HTML) 267 Page - Infineon Technologies AG

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C167CS
Derivatives
The Asynchronous/Synchronous Serial Interface
User’s Manual
11-1
V2.0, 2000-07
11
The Asynchronous/Synchronous Serial Interface
The Asynchronous/Synchronous Serial Interface ASC0 provides serial communication
between the C167CS and other microcontrollers, microprocessors or external
peripherals.
The ASC0 supports full-duplex asynchronous communication up to 781 KBaud/
1.03 MBaud and half-duplex synchronous communication up to 3.1/4.1 MBaud (@ 25/
33 MHz CPU clock). In synchronous mode, data are transmitted or received
synchronous to a shift clock which is generated by the C167CS. In asynchronous mode,
8- or 9-bit data transfer, parity generation, and the number of stop bits can be selected.
Parity, framing, and overrun error detection is provided to increase the reliability of data
transfers. Transmission and reception of data is double-buffered. For multiprocessor
communication, a mechanism to distinguish address from data bytes is included. Testing
is supported by a loop-back option. A 13-bit baud rate generator provides the ASC0 with
a separate serial clock signal.
Figure 11-1
SFRs and Port Pins Associated with ASC0
E
MCA04376
ODP3
DP3
P3
S0BG
S0TBUF
S0RBUF
S0CON
S0TIC
S0EIC
Ports & Direction Control
Alternate Functions
Data Registers
Control Registers
Interrupt Control
ODP3
Port 3 Open Drain Control Register
DP3
Port 3 Direction Control Register
S0BG
ASC0 Baud Rate Generator/Reload Reg.
S0TBUF ASC0 Transmit Buffer Register
S0TIC
ASC0 Transmit Interrupt Control Register
S0TBIC ASC0 Transmit Buffer Interrupt Ctrl. Reg.
P3
Port 3 Data Register
S0CON
ASC0 Control Register
S0RBUF ASC0 Receive Buffer Register (read
only)
S0RIC
ASC0 Receive Interrupt Control
Register
S0EIC
ASC0 Error Interrupt Control Register
S0RIC
RXD0/P3.11
TXD0/P3.10
S0TBIC
E



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