em78p5830aa ELAN Microelectronics Corp, em78p5830aa Datasheet - Page 23

• Manufacturer Part Number: em78p5830aa
• Description: 8-bit Micro-controller 8-bit Micro-controller
• Manufacturer: ELAN Microelectronics Corp

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* This specification is subject to be changed without notice.
PAGE1 (P6* pins switch control register)
IOC7 (PORT7 I/O control, PORT7 pull high control)
PAGE0 (PORT7 I/O control register)
Bit1~Bit2; Bit7 (Unused) : These 3 bits must clear to 0 or MCU power consumption will increase.
Bit 0 ; Bit3~Bit6 (IOC70; IOC73~IOC76) : PORT7 I/O direction control register
PAGE1 (PORT7 pull high control register)
IOC8 (Unused)
PAGE0 (Unused)
R/W-1
R/W-0
R/W-1
Bit 0~Bit 1 : These 2 bits are undefined bits. Please clear them to 0.
Bit 2(P62S) : Select normal I/O PORT62 pin or channel 3 input AD3 pin of ADC
Bit 3(P63S) : Select normal I/O PORT63 pin or channel 4 input AD4 pin of ADC
Bit 4(P64S) : Select normal I/O PORT64 pin or channel 5 input AD5 pin of ADC
Bit 5(P65S) : Select normal I/O PORT65 pin or channel 6 input AD6 pin of ADC
Bit 6(P66S) : Select modulation transmitting output pin of AD or I/O PORT66 pin
Bit1~Bit2; Bit7 (Unused) : These3 bits must clear to 0 or MCU power consumption will increase.
Bit0 ; Bit3~Bit6 : PORT7 pull high control register
** This page must clear to 0 or MCU power consumption will increase.
The default value in these 8 bits are “1”. Please clear them to “0” when init MCU.
7
0
1
0
1
0
1
0
1
0
1
0
0
1
7
0
0
1
-
7
7
0
pin “ADR”.
P62 (I/O PORT62) pin is selected
AD3 (Channel 3 input of ADC) pin is selected
P63 (I/O PORT63) pin is selected
AD4 (Channel 4 input of ADC) pin is selected
P64 (I/O PORT64) pin is selected
AD5 (Channel 5 input of ADC) pin is selected
P65 (I/O PORT65) pin is selected
AD5 (Channel 6 input of ADC) pin is selected
P66 (I/O PORT66) pin is selected and ADC reference voltage come from internal VDD
VREF (External reference voltage input of ADC) pin is selected, ADC reference voltage come from
put the relative I/O pin as output
put the relative I/O pin into high impedance
disable pull high function.
enable pull high function
The default value in these 3 bits are “1”. Please clear them to “0” when init MCU.
R/W-0
R/W-1
R/W-0
R/W-1
IOC76
PH76
P66S
6
6
6
6
0
R/W-1
R/W-0
R/W-1
R/W-0
IOC75
PH75
P65S
5
5
5
0
5
R/W-1
R/W-0
R/W-1
IOC74
PH74
R/W-0
4
P64S
4
4
0
4
R/W-1
R/W-1
IOC73
R/W-0
PH73
R/W-0
3
3
0
3
P63S
3
21
R/W-1
R/W-1
R/W-0
0
2
2
0
2
0
R/W-0
P62S
2
R/W-1
R/W-1
R/W-0
0
1
1
0
1
0
R/W-0
1
0
R/W-1
R/W-1
IOC70
R/W-0
PH70
0
0
0
0
8-bit Micro-controller
R/W-0
0
0
12/1/2004 V1.6
EM785830AA