Panasonic FP-M Hardware, Руководство пользователя

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195
8-5. System Registers
Note:
• * The settings for the header and the terminator in system register 413 become effective when system
register 412 is set to K2 (GENERAL). If you select K1 (COMPTR LNK) or K0 (UNUSED), the settings
for the header and the terminator are discarded.
Address
413
Name of system register
Communication format
setting for RS232C serial
port
Default
value
H3
Description
This register specifies the communication settings for the
RS232C serial port.
• Settings
Bit position 11 8 3 0 15
• •
12
• • • •
7 4
• •
Bit position 11 8 3 0 15
• •
12
• • • •
7 4
• •
Data input
0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
2
H
System register 413
EXAMPLE:
If you want to set the RS232C serial port as follows,
input H2 to system register 413.
- Header:
- Terminator:
- Stop bit:
- Parity:
- Character bits: without STX code
CR
1 bit
odd
7 bits
*
Header (Bit position 6)
0: without STX code
1: with STX code
*
Terminator (Bit positions 5 & 4)
00: CR
01: CR + LF
10: CR
11: ETX
Stop bit (Bit position 3)
0: 1 bit
1: 2 bits
Parity check (Bit positions 2 & 1)
00: none
01: odd
10: none
11: even
Character bits (Bit position 0)
0: 7 bits
1: 8 bits
0