Jameco Electronics Rabbit 3000 - Manual (Page 349)

340 Rabbit 3000 Microprocessor
S
secondary watchdog timer ..292
serial ports .....................11, 161
9th bit protocols ...............196
address registers ..............168
baud rates .........................163
breaks ..............................194
clocked serial ports (Ports A–
D) ................................182
clocked serial timing .......185
control registers (Ports A–B)
......................................173
control registers (Ports C–D)
......................................174
control registers (Ports E–F)
......................................175
controlling RS-485 driver and
receiver ........................193
data and parity bits ..........163
data registers ....................168
dummy characters ...........193
extended asynchronous mode
registers .......................176
extended registers clocked se-
rial mode (Ports A–D) .177
extra stop bits, parity .......194
HDLC mode extended regis-
ters (Ports E–F) ...........178
HDLC mode status registers
(Ports E–F) ..................172
interrupt service routines .192
interrupts ..........................179
long stop registers ............169
master/slave protocol .......196
Modbus ............................196
periodic interrupts ...........194
Ports E–F synchronous com-
munication ...................187
receive serial data timing .181
registers ...........................164
status registers .................170
status registers clock serial
ports (A–D) .................171
transmit serial data timing 180
slave port .......................53, 199
applications .....................206
hardware design ..............204
messaging protocol ..........207
protocols ..........................206
R/W cycles ......................200
registers ...........................204
typical connections ..........203
sleepy mode .................231, 233
specifications
DC characteristics .............68
I/O buffer sinking and sourc-
ing limits .......................69
power consumption .........229
spectrum spreader ...........80, 86
EMI mitigation ................212
registers ...........................213
stack protection ...................289
system clock ..........................12
System/User mode ......283, 317
I/O addresses ...................320
interrupts .........................321
interrupt prioritization .322
registers ...........................319
use ...................................324
complete operating sys-
tem ............................326
memory protection ......324
mixed operation ...........325
T
timers ...................................149
Timer A ...................150, 151
Timer B ...........................156
timing
quadrature decoder ..........315
short chip select
299, 300, 301, 302, 303, 304
writes ..305, 306, 307, 308,
309, 310
W
watchdog timer ......................93
secondary watchdog timer 292
writes
short chip select timing ...297
X
XPC register ..........................26