參數(shù)資料
型號: IT8673F
廠商: Electronic Theatre Controls, Inc.
英文描述: GT 35C 35#12 SKT PLUG
中文描述: 先進的輸入/輸出(高級I / O)的初步規(guī)范V0.5
文件頁數(shù): 31/128頁
文件大小: 780K
代理商: IT8673F
IT8673F
10.3 Global Configuration Registers (LDN: All)
10.3.1 Configure Control (Index=02h)
This register is
write only
. Its values are not sticky; that is to say, a hardware reset will automatically
clear the bits, and does not require the software to clear them.
Bit
Description
21
7-2
Reserved
1
Returns to the “Wait for Key” state. This bit is used when configuration sequence is completed.
0
Resets all logical devices and restores configuration registers to their power-on states.
10.3.2 Logical Device Number (LDN, Index=07h)
This register is used to select the current logical devices. By reading from or writing to the
configuration of I/O, Interrupt, DMA and other special functions, all registers of the logical devices can
be accessed. In addition, ACTIVATE command is only effective for the selected logical devices. This
register is
read/write
.
10.3.3 Chip ID Byte 1 (Index=20h, Default=86h)
This register is the Chip ID Byte 1 and is
read only
. Bits [7:0]=86h when read.
10.3.4 Chip ID Byte 2 (Index=21h, Default=73h)
This register is the Chip ID Byte 2 and for
read only
. Bits [7:0]=73h when read.
10.3.5 Chip Version (Index=22h, Default=01h)
This register is the Chip Version and for
read only
.
10.3.6 Clock Selection Register (Index=23h, Default=00h)
Bit
Description
7-1
Reserved
0
CLKIN frequency.
1: 48 MHz.
0: 24 MHz.
10.3.7 Software Suspend (Index=24h, Default=00h, MB PnP)
This register is the Software Suspend register. When bit 0 is set, IT8673F enters the “Software
Suspend” state. All the devices, except KBC, remain inactive until this bit is cleared or when the
wake-up event occurs. The wake-up event occurs at any transition on signals RI1# (pin 54) and Rl2#
(pin 56).
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