W83791SD Datasheet, PDF (10/22 Pages) Winbond – H/W MONITORING IC

W83791SD/W83791SG
Power on default: 00h
BIT
NAME
7 PROG_ACTIVE
6:4
Reserved
3:0 PROGMODE
ATTRIBUT
E
R/W
R/W
DESCRIPTION
Program Active Command. If set this bit to 1, the serial
flash will be active according the Flash Program Mode.
Reading this bit, the bit will return a Serial Flash Busy
(SER_BUSY). And this is pulse, if read this bit show “0”
Reserved.
Flash Program Mode
FLASHCTRL[3:0]
0000b
No action
0001b
Program mode
0010b
Erase all
0011b
Page code
0100b
Erase 4K bytes
0101b
Erase 16K bytes
0110b
Page code read out
0111b
Read flash data
Program procedure:
1. Set Flash address (3-bytes)
2. Set Flash Data (4-bytes)
3. Set Flash control “Program mode”
4. Set program command active (PROG_ACTIVE)
Erase 4K:
1. Set Flash Address (must be 4K address boundary)
2. Set Flash control register
7.3 Event Trigger Timeout Register  Index 08h (Bank 0)
Power on default: 00h
BIT
NAME
ATTRIBUTE
DESCRIPTION
7:0 TRIG_TIME
Event Trigger Timeout Timer Setting. When software or
firmware write trigger event, that don’t write to speech queue
R/W
until this register is timeout. This unit is Second. Default is 00,
that is, the software event doesn’t need to wait then write to
sound event queue. Note that, this function is controlled by
Speech Input Property (Index 0Ah).
Publication Release Date: January 18, 2005
-7-
Revision 1.1