參數(shù)資料
型號: REFERENCEMANUAL
英文描述: Reference Manual - ElanSC400 Register Set Reference Manual (Including Changes for the 蒷anSC410 Microcontroller)
中文描述: 參考手冊- ElanSC400寄存器組參考手冊(包括微控制器的蒷anSC410變化)
文件頁數(shù): 23/40頁
文件大?。?/td> 405K
代理商: REFERENCEMANUAL
élanSC400 Microcontroller Register Set Reference Manual Amendment
23
A M E N D M E N T
Chapter 6: PC Card Controller Indexed Registers
6-8
Interface Status
Register, Index 01h/
41h; default bit values
in diagram
0 0 x x x x x x
0 0
“x” = non-
deterministic.
“” = depends
on input state.
Interface Status
Register, Index 01h/
41h; descriptions for
bits 5, 4, and 1–0
RDY_x pin
WP_x pin
BVD2_x pin (2 places)
BVD1_x pin (2 places)
RDY_x pin
WP_x pin
BVD2_x pin
BVD1_x pin
These pins are
active high.
6-11
Interrupt and General
Control Register, Index
03h/43h; bits 3–0
description, IRQ6
0 1 1 0 = IRQ6 enabled
0 1 1 0 = IRQ6 enabled
Added for PC Card based floppy disk
drives that support PC/AT-
Compatible IRQs and DMA. An IRQ6
driven from the PCMCIA controller
will not cause any PMU events
(activity).
Clarification.
6-15
Address Window
Enable Register, Index
06h/46h;
Programming Notes
text
(All text before table in programming
notes section.)
When the élanSC400
microcontroller is operating in
Enhanced mode (see CSC index
F1h[0], the five memory windows
that belong to PC Card Socket B
have the same meaning and controls
as they do on a standard 82356
controller. When operating in
Standard mode, PC Card controller
Socket B memory windows 1–5 are
redefined to be MMS Windows C–F.
In this mode, the MMS Windows
C–F base addresses and offsets are
configured using the same PC Card
controller registers that would have
been used if the windows were
configured to be PC Card windows.
However, the destination devices
(and other attributes that apply only
to MMS Windows) are now
controlled by CSC index 30h and
31h.
Rewrite of
programming
notes text.
Address Window
Enable Register, Index
06h/46h;
Programming Notes
table, center column
MMS Window
MMS Window
Correction.
None
None
MMS 0
MMS C
MMS 1
MMS D
MMS 2
MMS E
MMS 3
MMS F
6-56
Command Timing 0
Register, Index 3Bh;
default value for
bits 3–1 in diagram
0 0 0 0 1 1 1 1
0 0 0 0 0 0 0 1
Correction.
Table 1.
Corrections to the
élanSC400 Microcontroller Register Set Reference Manual
(Continued)
Page Item
Original Text
Change To
Comment
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