Analog Devices ADSP-21261 SHARC Hardware Reference Manual page 831

parallel port, 8-1
accessing external devices via,
ALE polarity level See PPALEPL bit
booting, 15-20
buffer hang disable See PPBHD bit
bus status (PPBS) bit See PPBS bit
clock cycles value See PPDUR bit
control See PPCTL register
DMA registers, 8-16
enable See PPEN bit
external data width See PP16 bit
FIFO status See PPS bit
interrupts, 8-12
interrupt See PPI signal
operation, 15-20
registers, 8-15, A-108
signals, 8-3
speed, 8-13
system configure and enable,
throughput, 8-12
used as flags, 8-4
using for core-driven transfers,
using for DMA transfers,
Parallel Port Control (PPCTL) register,
A-109
parallel port control See PPCTL register
bit definitions
parallel port DMA
address See IMPP register
enable See PPDEN bit
external address See EIPP register
external address See EIPPx registers
external address See EMPP register
external word count See ECPP register
internal word count See ICPP register
start internal index address,
start internal index address (IIPP)
register, A-112
transmit/receive (TXPP/RXPP) registers,
A-111
ADSP-2126x SHARC Processor Hardware Reference
8-17
A-109
8-18
8-18
15-22
Parallel Port DMA External Index Address
(EIPP) register, 8-17
Parallel Port DMA External Modifier
Address (EMPP) register,
Parallel Port DMA External Word Count
(ECPP) register, 8-16,
Parallel Port DMA Internal Modifier
Address (IMPP) register,
Parallel Port DMA Internal Word Count
(ICPP) register, A-112
Parallel Port DMA Receive (RXPP)
register, A-112
Parallel Port DMA Start External Index
Address (EIPP) register,
Parallel Port DMA Start Internal Index
Address (IIPP) register,
Parallel Port DMA Transmit (TXPP)
register, A-111
Parallel Port External Address Modifier
(EMPP) register,
parallel port receive buffer See RXPP
register
parallel port transmit buffer See TXPP
register
parallel port transmit/receive select See
PPTRAN bit
pass function, 2-17
PCEM bit, 3-17
PCEM (PC stack empty bit,
PCEM (PC stack empty) bit,
PCFL bit, 3-17
PCFL (PC stack full) bit, 3-17,
PCG_CTLx_x registers,
PCG_PW register, 13-11,
PCI bit, 7-5, 7-11, A-107
PC (program counter) register, 3-12, 3-16,
3-64
PC register, A-33, G-3
PC-relative, 3-12
PC stack pointer, 3-15
Index
A-113
A-113
A-112
A-112
A-112
8-17
A-19
A-19
A-19
A-142
A-142
I-21