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3.3.3
PROGRAMMING BAUD RATES
PROGRAMMABLE SYNCHRONOUS
Output
value
00H
01H
02H
03H
04H
05H
06H
07H
Please Note:
cannot be used in synchronous mode as they
exceed USART speed capabilities.
North Star HSIO-4
When configured for synchronous operation with
programmable baud rates, an HSIO-4 port can
transmit data at any one of five programmable
baud rates. See Table 3-6 below. An additional
jumper change enables three additional
programmable baud rates. (For specific
instructions, see Section 3.3.4.)
During synchronous operation, the baud rate of
the receiving port is determined by the
clock signal generated by the transmitting
port. Thus, each HSIO-4 baud rate selection
determines only the transmission speed for a
particular port —
Table 3-6
Standard
________
Not Used
Not Used
Not Used
38400
19200
9600
4800
1760
Output values 00H, 01H and 02H
43
not the receiving speed.
BAUD RATES
Alternatives
- j W - L t - h — J - U. r o p e . r . Chang g j .
19200 or 2400 or 1200 or 55.8K
38400 or 1200
User/Technical Manual
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