Table of Contents
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instructions, A-51, A-57
interrupt latency, 5-11
interrupt processing flow, 5-2
routine, defined, 5-1
serial I/O modes, 5-37–5-58
single transfer mode, 5-27
synchronous serial I/O receive mode,
5-47–5-50
synchronous serial I/O transmit mode,
5-43–5-46
vectors, memory locations, 4-3
See also PWM
PTS select register, 5-14, C-42
PTS service register, 5-26, C-43
PTSCB, 5-4, 5-9
A/D scan mode, 5-33
block transfer mode, 5-31
memory locations, 4-3
PTSCON register, 5-27
PTSCOUNT register, 5-25
single transfer mode, 5-28
PTSCB1
serial I/O mode, 5-38
PTSCB2
serial I/O mode, 5-41
Pulse-width modulator, See PWM
PUSH instruction, A-3, A-29, A-45, A-49, A-54
PUSHA instruction, A-2, A-30, A-46, A-49, A-54
PUSHF instruction, A-2, A-30, A-46, A-49, A-54
PVER, 16-9, 16-11, B-20
PWM, 10-1
and cascading timer/counters, 11-7
block diagram, 10-2
D/A converter, 10-10
duty cycle, 10-4
enabling outputs, 10-8
generating analog outputs, 10-10
highest-speed, 11-14
low-speed, 11-7, 11-13
overview, 10-1
programming duty cycle, 10-4
typical waveforms, 10-4
with dedicated timer/counter, 11-14
PWM control x register, 10-7, C-46
PWM count register, 10-8, C-44
PWM period register, 10-6, C-45
PWM1:0, B-20
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Q
Quadrature clocking, 11-7
Quick reference guides, ordering, 1-8
R
RALU, 2-4–2-6
RD#, B-20
considerations, 6-13
idle, powerdown, reset status, B-23, B-25
Read cycles
16-bit data bus, 15-14
8-bit data bus, 15-16
READY, 15-17–15-21, 16-25
and wait states, 15-18
considerations, 6-13
idle, powerdown, reset status, B-23, B-25
timing definitions, 15-20
timing diagram, 15-19
timing requirements, 15-18
REAL variables, 3-4
Register bits
naming conventions, 1-4
reserved, 1-4
Register file, 2-4, 4-9
and windowing, 4-9, 4-12
See also windows
Register RAM, 4-10
and idle mode, 14-4
and powerdown mode, 14-5
Register-direct addressing, 4-10
and register RAM, 4-10
and windows, 4-12, 4-19
Registers
AD_COMMAND, 12-8, C-6
AD_RESULT (read), 12-9, C-7
AD_RESULT (write), 12-6, C-8
AD_TEST, 12-5, C-9
AD_TIME, 12-7, C-10
addresses and reset values, C-2
allocating, 3-10
CCR0, 15-7, C-11
CCR1, 15-9, C-13
COMPx_CON, 11-22, C-15
COMPx_TIME, C-17
EPAx_CON, 11-19, C-18
EPAx_TIME, C-21
external memory, 15-4
INDEX
Index-9
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