Holtek HT82K75REW, Manual

Page: 77 / 103

HT82M75REW/HT82K75REW
Rev. 1.00 77 June 11, 2010
·
LREG0x20A - SLPCAL_1: Sleep Clock Calibration 1
Bit Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Name SLPCAL15 SLPCAL14 SLPCAL13 SLPCAL12 SLPCAL11 SLPCAL10 SLPCAL9 SLPCAL8
Type R/W R/W R/W R/W R/W R/W R/W R/W
POR 0 0 0 0 0 0 0 0
Bit 7-0 SLPCAL [15:8] : Sleep Clock Calibration Counter bit 15~8
A 20-bit calibration counter which calibrates the sleep clock. SLPCAL [19:0] indicates the time
period of 16 sleep clock cycles. The unit is 62.5ns, counted by the 16MHz.
·
LREG0x20B - SLPCAL_2: Sleep Clock Calibration 2
Bit Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Name SLPCALRDY
¾ ¾
SLPCALEN SLPCAL19 SLPCAL18 SLPCAL17 SLPCAL16
Type R R R WT R/W R/W R/W R/W
POR 0 0 0 0 0 0 0 0
Bit 7 SLPCALRDY : Sleep Clock Calibration Ready
1: Sleep Clock Calibration counter is ready to be read.
0: Not Ready (default)
Bit 6-5 Reserved: Maintain as
²
0b00
²
Bit 4 SLPCALEN : Sleep Clock Calibration Enable
1: Starts the Sleep Clock Calibration counter. Bit is automatically cleared to
²
0
²
by hardware
Bit 3-0 SLPCAL [19:16 ]: Sleep Clock Calibration Counter bit 19~16
A 20-bit calibration counter which calibrates the sleep clock. SLPCAL [19:0] indicates the time
period of 16 sleep clock cycles. The unit is 62.5ns, counted by the 16MHz.
·
LREG0x211 - IRQCTRL: Interrupt Control Register
Bit Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Name
¾ ¾ ¾ ¾ ¾ ¾
IRQPOL
¾
Type R R R R R R R/W R
POR 0 0 0 0 0 0 0 0
Bit 7~2 Reserved: Maintain as
²
0b000000
²
Bit 1 IRQPOL : Interrupt Edge Polarity
1: Rising Edge
0: Falling Edge (default)
Bit 0 Reserved: Maintain as
²
0b0
²
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