EM6520 EM Microelectronic, EM6520 Datasheet - Page 41

• Manufacturer Part Number: EM6520
• Description: MFP version of EM6620 Ultra Low Power Microcontroller 4x8 LCD Driver
• Manufacturer: EM Microelectronic

P=POR means that this bit is set to 0 on POR only.
Copyright  2002, EM Microelectronic-Marin SA
RegSysCntl1
RegSysCntl2
RegLcdCntl1
RegLcdCntl2
RegVLDCntl
RegPresc
RegIRQ3
Register
IXHigh
IXLow
Name
Add
Hex
6A
6B
6C
6D
6E
6F
71
72
73
Add
Dec
106
107
108
109
110
111
113
114
115
p=POR
p=POR
b'3210
Reset
Value
0000
0000
0p00
0000
111p
0000
xxxx
xxxx
--00
0:IRQCntComp
1: IRQCount0
2: IRQMSC
3: IRQVLD
0: ChTmDis
1: SelIntFull
2: '0'
3: IntEn
0: WDVal0
1: WDVal1
2: SleepEn
3: '0'
0: DebSel
1: PrIntSel
2: '0'
3: PWMOn
0: IXHigh[4]
1: IXHigh[5]
2: IXHigh[6]
3: '0'
0: NoLogicWD
1: NoOscWD
2: VldBusy
3: VLDResult
Read Bits
Read / Write Bits
0: LCDExtSupply
0: CkTripSel0
1: CkTripSel1
1: Lcd4xMux
3: LCDBlank
0: IXLow[0]
1: IXLow[1]
2: IXLow[2]
3: IXLow[3]
2: LCDOff
2: --
3: --
41
0:
RIRQCntComp
1: RIRQCount0
2: RIRQMSC
3: RIRQVLD
0: ChTmDis
1: SelIntFull
2: Sleep
3: IntEn
0: --
1: --
2: SleepEn
3: WDReset
0: DebSel
1: PrIntSel
2: ResPresc
3: PWMOn
0: IXHigh[4]
1: IXHigh[5]
2: IXHigh[6]
3: --
0: NoLogicWD
1: NoOscWD
2: VldStart
3: --
Write Bits
periodical reset, enable sleep
ChTmDis only usable for Em
Write: Reset if data bit =1.
millisecond counter, serial
debouncer and prescaler
test modes with Test=1
Read: 10 bit counter,
watchdog value and
register high nibble;
register low nibble;
Prescaler control;
System control 2;
System control 1
Internal µP index
Internal µP index
multiplier clock
detector control
interrupt select
LCD control 1;
LCD control 0
main selects
voltage level
www.emmicroelectronic.com
Remarks
interrupt
mode
EM6520
03/02 REV. D/449