gc80c510 CORERIVER Semiconductor, gc80c510 Datasheet - Page 209

• Manufacturer Part Number: gc80c510
• Description: Eprom/rom 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

13.38 ADCON (EFh) : ADC Control & ADC Result Low Register
13.39 B (F0h) : B Register
MiDAS1.1 Family
AD_END
Symbol
AD_REQ
This register serves as a second accumulator for certain arithmetic operations.
Bit No.
AD_EN
Bit No.
AVREF
ADCF
SAR1
SAR0
ADIV
ADC Ready Enable.
ADC Start Enable.
Current ADC Status.
ADC Interrupt Flag.
ADC Reference Voltage Input Enable from P0[4].
ADC Input Clock Select.
ADC Result Value [1:0].
(Low bits of ADC result value)
R/W(0)
R/W(0)
AD_EN
Cleared by H/W when AD_END goes to “1” from “0”.
0 = ADC is running now.
1 = ADC is idle state. ADC is stopped.
This bit must be cleared by software.
0 = ADC reference voltage from V
1 = ADC reference voltage from P0[4].
0 = System Clock (F
1 = PWM Input Clock (F
B.7
7
Set by hardware when ADC conversion has been finished.
Note that user should not use the AD_END but ADCF for finish of ADC conversion.
7
AD_REQ
R/W(0)
R/W(0)
B.6
6
6
OSC
AD_END
R/W(0)
) / 2.
R(1)
PWM
B.5
5
5
).
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(Default)
R/W(0)
R/W(0)
DD
ADCF
B.4
4
4
Description
(System Power).
(Default)
R/W(0)
R/W(0)
AVREF
B.3
3
3
(Default)
R/W(0)
R/W(0)
ADIV
B.2
2
2
R/W(0)
R/W(0)
SAR1
B.1
1
1
R/W(0)
R/W(0)
SAR0
B.0
0
0