20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 311

• Manufacturer Part Number: 20-668-0011
• Description: IC MPU RABIT3000A 55.5MHZ128LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0011

• Processor Type: Rabbit 3000 8-Bit
• Speed: 55.5MHz
• Voltage: 2.5V, 2.7V, 3V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 128-LQFP
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 55.5 MHz
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Number Of Programmable I/os: 56
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 316-1061

serial ports
slave port ....................... 69, 157
Index
Serial Ports A – D (continued)
Serial Ports E – F ............ 139
addresses ......................... 157
block diagram ................. 158
bootstrap processor ......... 158
clocks .............................. 159
dependencies ................... 159
interrupts ......... 157, 159, 162
operation ......................... 160
overview .......................... 157
pin use ............................. 159
R/W timing ..................... 164
dependencies ............... 125
interrupts ..................... 126
operation ...................... 127
overview ...................... 121
pin use ......................... 125
register descriptions .... 130
registers ....................... 124
SPI clock modes .......... 121
SxSR ........................... 121
use of clocked Serial Port C
use of clocked Serial Port D
asynchronous mode ..... 139
block diagram .............. 140
clocks .......................... 142
dependencies ............... 142
HDLC data encoding .. 146
HDLC mode ................ 139
interrupts ..................... 143
operation ...................... 144
overview ...................... 139
pin use ......................... 142
register descriptions .... 149
registers ....................... 141
SxSR ........................... 139
example ISR ................ 162
configurations .............. 163
connections .................. 161
master .......................... 161
master/slave communica-
slave ............................ 161
slave/master communica-
tion ............................ 162
tion ............................ 162
................................... 125
................................... 125
asynchronous mode . 127
clocked serial mode
DPLL counter .......... 146
asynchronous mode . 144
HDLC mode ............ 144
....................... 122, 128
slave port (continued)
sleepy clock modes ............... 17
sleepy mode ........................ 202
SMODE pin settings ............. 26
SPCR
specifications .................. 4, 231
spectrum spreader ............. 7, 11
stack protection ............. 47, 276
system management ...... 29, 272
register descriptions ........ 166
registers ........................... 158
slave attention ................. 157
timing diagrams .............. 164
Parallel Port A setup ......... 65
AC characteristics ........... 233
BGA package .................. 257
clock speeds .................... 245
DC characteristics ........... 231
LQFP package ................. 254
memory access times 234, 242
package ........................... 253
power and current consump-
block diagram ................... 30
clocks ................................ 31
dependencies ..................... 31
interrupts ........................... 31
operation
other registers .................... 29
periodic interrupt ............... 29
real-time clock .................. 29
register descriptions .......... 34
registers ............................. 30
watchdog timers ................ 29
dimensions .................. 258
land pattern .................. 258
pinout .......................... 257
recommended clock/memo-
dimensions .................. 255
land pattern .................. 255
PC board layout ........... 256
pinout .......................... 254
external I/O reads ........ 238
external I/O writes ....... 239
memory reads .............. 234
memory writes ............ 235
battery-backed clock ... 250
sleep modes ................. 249
periodic interrupt ........... 32
real-time clock .............. 32
watchdog timer .............. 33
GCPU register ............... 29
GOCR register .............. 29
GREV register ............... 29
tion .............................. 248
ry configurations ...... 245
System/User mode ...... 213, 274
T
timers
timing
dependencies ................... 215
differences between System
inaccessible addresses in User
interrupts ................. 216, 222
opcodes ........................... 220
operation ......................... 217
overview ......................... 213
register descriptions ........ 224
registers ........................... 214
use
Timer A ........................... 107
Timer B ........................... 115
Quadrature Decoder ........ 295
short chip select ..... 282, 283,
complete operating system
enabling ....................... 219
memory protection ...... 217
mixed operation .......... 218
memory protection ...... 217
block diagram .............. 109
capabilities .................. 108
clocks .......................... 110
dependencies ............... 110
interrupts ............. 108, 111
operation ..................... 111
overview ...................... 107
register descriptions .... 112
registers ....................... 110
reload register operation
block diagram .............. 115
clocks .......................... 116
dependencies ............... 116
interrupts ............. 116, 117
operation ..................... 117
overview ...................... 115
PWM operation ........... 115
register descriptions .... 118
registers ....................... 116
writes .. 288, 289, 290, 291,
mode and User mode .. 213
mode ........................... 215
284, 285, 286, 287
292, 293
................................... 218
................................... 107
example ISR ............ 111
example ISR ............ 117
301