W681307DG Datasheet, PDF (55/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
9.4.4
1S Counter
Address
0x145D
Access Mode Value At Reset Nominal Value
R
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
1S Counter
1-second counter This register records the time in 1 second resolution. Maximum value is 59.
9.4.5
Watch Dog Kick
Address
0x145E
Access Mode Value At Reset Nominal Value
R/W
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Watch Dog Kick
Write to this value will reset the watchdog timer.
9.4.6
1ms Counter
Address
0x145F
Access Mode Value At Reset Nominal Value
R
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Counter value for 1mS timer
This register records the time in 1 ms resolution. Maximum value is 255.
Reset :145B[0]
enable: 145B[1]
Reset :145C[0]
sysCl
k
1ms Timer
1 ms
1s timer
Bit 1
Bit 0
1s
1s INT
counter for 1ms
interval INT
1ms counter
0X145F
( 0~255 ms )
Reset :145C[1]
1min counter
= 1s counter
0x145D
( 0 ~ 59 sec )
Reset :145C[4]
0X145B[7:2]
( 0~Timer1msLength[5:0])
comparetor
1ms INT
Note1: ALL THE RESET activities ARE LEVEL_TRIGGERED.
Note2: reset 145C[1] will not effect the waveform of 1ms INT.
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Publication Release Date: May, 2007
Revision 1.3