C164CM_2 Datasheet, PDF (216/470 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller

C164CM/C164SM
Derivatives
Asynchronous/Synchronous Serial Interface
The operating mode of the serial channel ASC0 is controlled by its bit-addressable
control register S0CON. This register contains control bits for mode and error check
selection, as well as status flags for error identification.
S0CON
ASC0 Control Register
SFR (FFB0_H/D8_H)
Reset Value: 0000_H
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
S0R
S0
LB
S0 S0
BRS ODD
-
S0 S0 S0 S0 S0 S0 S0 S0
OE FE PE OEN FEN PEN REN STP
S0M
rw rw rw rw - rwh rwh rwh rw rw rw rwh rw
rw
Bit
S0M
S0STP
S0REN
S0PEN
S0FEN
S0OEN
Function
ASC0 Mode Control
000: 8-bit data
synchronous operation
001: 8-bit data
asynchronous operation
010: Reserved. Do not use this combination!
011: 7-bit data + parity
asynchronous operation
100: 9-bit data
asynchronous operation
101: 8-bit data + wake up bit
asynchronous operation
110: Reserved. Do not use this combination!
111: 8-bit data + parity
asynchronous operation
Number of Stop Bits Selection
0: One stop bit
1: Two stop bits
asynchronous operation
Receiver Enable Bit
0: Receiver disabled
1: Receiver enabled
(Reset by hardware after reception of byte in synchronous mode)
Parity Check Enable Bit
0: Ignore parity
1: Check parity
asynchronous operation
Framing Check Enable Bit
0: Ignore framing errors
1: Check framing errors
asynchronous operation
Overrun Check Enable Bit
0: Ignore overrun errors
1: Check overrun errors
User’s Manual
11-2
V1.0, 2002-02