Digi NS7520B-1-C36 Hardware Reference Manual page 265

31 30 29 28
TRUN
15 14 13 12
Reserved
Register bit assignment
Bits Access Mnemonic
D31 R/W TRUN
D30:10 N/A Reserved
D09:00 R/W CT
Table 93: Serial Channel Receive Character Gap Timer bit definition
27 26 25 24 23
Reserved
11 10 9 8 7
CT
Reset Description
0 Enable timer to run
Set to 1 to allow the receive character gap timer to
operate.
N/A N/A
0 CT value
The required value for the receive character timer is a
function of the channel bit-rate. It is recommended
that you set the character timer to a value that is 10
times the character period for the channel bit-rate. Use
this equation to define the recommended character
timer value:
CT RECOMMENDED =
[(10 * F
w w w . d i g i e m b e d d e d . c o m
S e r i a l C o n t r o l l e r M o d u l e
22 21 20 19
6 5 4 3
) / (bit-rate * 512)] - 1
XTALE
18 17 16
2 1 0
2 5 3