F81866A
000: Standard and Bi-direction (SPP) mode.
001: EPP 1.9 and SPP mode.
010: ECP mode (default).
011: ECP and EPP 1.9 mode.
100: Printer mode.
2-0
PRT_MODE
R/W LRESET#
010
101: EPP 1.7 and SPP mode.
110: Reserved.
111: ECP and EPP1.7 mode.
7.5 Hardware Device Configuration Registers (LDN CR04)
“-“ Reserved or Tri-State
Default Value
Register 0x[HEX]
Register Name
MSB
LSB
30
60
61
70
H/W Monitor Device Enable Register
Base Address High Register
Base Address Low Register
IRQ Channel Select Register
-
-
0
0
-
-
0
0
-
-
0
1
-
-
-
-
1
0
1
0
0
1
-
0
0
0
0
1
0
1
0
0
7.5.1Hardware Monitor Device Enable Register ⎯ Index 30h
Bit
Name
R/W Reset Default
Description
7-1
Reserved
-
-
-
Reserved
0: disable Hardware Monitor.
1: enable Hardware Monitor.
LRESET#
0
HM_EN
R/W
1
7.5.2Base Address High Register ⎯ Index 60h
Bit
Name
R/W Reset Default
Description
7-0
BASE_ADDR_HI
R/W LRESET#
02h The MSB of Hardware Monitor base address.
7.5.3Base Address Low Register ⎯ Index 61h
Bit
Name
R/W Reset Default
Description
7-0
BASE_ADDR_LO
R/W LRESET#
95h The LSB of Hardware Monitor base address.
7.5.4IRQ Channel Select Register ⎯ Index 70h
Bit
7-4
3-0
Name
R/W Reset Default
Description
Reserved
SELHMIRQ
-
-
-
Reserved.
LRESET#
R/W
0000 Select the IRQ channel for Hardware Monitor.
136
Jan, 2012
V0. 12P