EM78P569 View Datasheet(PDF) - ELAN Microelectronics
Part Name
Description
MFG CO.
'EM78P569' PDF : 58 Pages View PDF
EM78P569
8-bit OTP Micro-controller
Frame
COM0
COM1
SEG
dark
SEG
light
Fig.11 LCD waveform for 1/3 bias, 1/2 duty
VDD
V1
V2
VLCD
VDD
V1
V2
VLCD
VDD
V1
V2
VLCD
VDD
V1
V2
VLCD
IOC6 (PORT6 I/O control, P6* pins switch control)
PAGE0 (PORT6 I/O control register)
7
6
5
4
3
2
1
0
IOC67 IOC66 IOC65 IOC64 IOC63 IOC62 IOC61 IOC60
R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
Bit 0 ~ Bit 7 (IOC60 ~ IOC67) : PORT6(0~7) I/O direction control register
0 put the relative I/O pin as output
1 put the relative I/O pin into high impedance
PAGE1 (P6* pins switch control register)
7
6
5
4
3
2
1
0
-
P66S
P65S
P64S
P63S
P62S
P61S P60S
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
“Before using bit 1 ~ Bit 6, please set IOCE PAGE1 bit0(MS) = 1 to enable these port switches function”
Bit 0(P60S) : Select normal I/O PORT60 pin or channel 1 input AD1 pin of ADC
0 P60 (I/O PORT60) pin is selected
1 AD1 (Channel 1 input of ADC) pin is selected
Bit 1(P61S) : Select normal I/O PORT61 pin or channel 2 input AD2 pin of ADC
0 P61 (I/O PORT61) pin is selected
1 AD2 (Channel 2 input of ADC) pin is selected
__________________________________________________________________________________________________________________________________________________________________
* This specification is subject to be changed without notice.
30
8/19/2004 V4.4
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