gc80c590ae CORERIVER Semiconductor, gc80c590ae Datasheet - Page 29
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gc80c590ae
Manufacturer Part Number
gc80c590ae
Description
Flash / Isp / Iap 8-bit Turbo Microcontrollers
Manufacturer
CORERIVER Semiconductor
Datasheet
1.GC80C590AE.pdf
(132 pages)
- Current page: 29 of 132
- Download datasheet (984Kb)
ADCHEN (ECh) : ADC Input Channel Enable Register
ADCHEN.7 ADCHEN.6 ADCHEN.5 ADCHEN.4 ADCHEN.3 ADCHEN.2 ADCHEN.1 ADCHEN.0
P1 (90h) : PORT 1 Register
IOCFG (C7h) : I/O Configuration Register
R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0) R/W(0)
R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1) R/W(1)
6.5. I/O Ports : PORT1[7:0]
P1.7
3.3V operation
A port used as quasi-bidirectional I/O (Intel 8052 compatible) or ADC input.
Read-Modify-Write instructions do not read port pin but read SFR register.
Available alternative input functions when the corresponding SFR bit is “1”.
To use the digital I/O and an alternative function of the Port 1, an user must set PKGOPT bit (IOCFG.0) to 1.
PORT 1 Description of 44-pin
-
ADCHEN.X
PKGOPT : must be “1” for 44-pin package.
ANL
P1.0 = T2
ADC0(P1.0), ADC1(P1.1), ADC2(P1.2), ADC3(P1.3), ADC4(P1.4), ADC5(P1.5), ADC6(P1.6), ADC7(P1.7)
P1.6
-
/
OPL
: ADC Input Channel Enable
0 = ADC input disable / Pull-up Resistor ON (Default)
1 = ADC input enable / Pull-up Resistor OFF
P1.5
-
/
/
P1.1 = T2EX
XRL
Semiconductor Co., Ltd.
P1.4
-
/
JBC
R/W(0)
ENAUX
P1.3
/
P1.4 = INT2
/
CPL
P1.2
-
/
INC
P1.1
/
-
P1.5 = INT3
/
PKGOPT
R/W(0)
P1.0
DEC
/
/
DJNZ
P1.6 = INT4
CPU BUS
Alternative Function Output
(44-pin)
/
MOV PX.Y, C
ADC Block Input
/
P1.7 = INT5
P1.0
SFR
Digital Input
QB
Q
/
CLR PX.Y
2 OSC
Pulse
MiDAS2.0 Family
ADCHEN.0
/
SETB PX.Y
Pull-
up
ADCHEN.0
[29]
P1.0
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