CD1284 Datasheet, PDF (174/176 Pages) Intel Corporation – IEEE 1284-Compatible Parallel Interface Controller with Two High-Speed Asynchronous Serial Ports

H
hardware-activated service examples 97
HstBsy 19
HstClk 19
I
ID request 82
IEEE Standards Department 73
IEEE STD 1284 73
Implied XON mode 57
in-band flow control 55
initialization 90
interface 74
interrupts 36
DirCh 48
EPPAW 44
IDReq 48
NegCh 44
invalid termination 81
IVR 79
L
line break 52
line discipline 61
Local Loopback mode 73
loopback testing 73
M
modem service 96, 99
modes
ECP 74
EPP 79, 83
Implied XON 57
Local Loopback 73
Manual 79
Remote Loopback 73
Reverse Byte 82
Reverse Nibble 82
Serial Poll, examples 94
multi-channel processing unit (MPU) 31
174
N
nDatAv 19
nInit 19
no new data time-out (NNDT) 51
O
odd-byte transfers 35
ODR 79
OUTEN 19
out-of-band flow control 55, 58
P
parallel channel service routines 99
parallel port
FIFO 74
PD[7:0] 19
PDBEN 19
PerBsy 19
PerClk 19
pins
descriptions 20
diagram 17
list 18
polling 40
protocol timing 83
R
R/W* 19
read cycles 33
receive direction 75
receiving compressed data 75
register summary 24
register usage 27
registers
Channel – Parallel
DER 26, 29
DMABUF (high) 26, 29
DMABUF (low) 26, 29
EAR 26, 29
HRSR 26, 29, 138
HTVR 26, 29
Datasheet