gc80c520g CORERIVER Semiconductor, gc80c520g Datasheet - Page 46

• Manufacturer Part Number: gc80c520g
• Description: Eprom / Rom / Romless Based 8-bit Turbo Microcontrollers
• Manufacturer: CORERIVER Semiconductor

ADCSEL (E2h) : ADC Clock and Port Control Register
R/W(0) R/W(0) R/W(0)
ADIV2
6.12. ADC (Analog-to-Digital Converter)
4-channel 9-bit ADC (SAR Type)
Max. 114ksps(samples per sec.) @ F
Max. 57ksps @ F
ADIV1
ADC0
ADC1
ADC2
ADC3
(P0.0)
(P1.1)
(P1.2)
(P1.3)
ADIV0
ADC0
ADC1
ADC2
ADC3
ADC
-
= 5MHz & 3V.
R/W(0) R/W(0) R/W(0) R/W(0)
ADC3
Analog
MUX
ACH1
ACH0
ADC2
ADC
ADC1
AD_EN
= 10MHz & 5V
Control
Circuit
ADC0
AD_REQ
(= V
AV
D/A Converter
REF
DD
)
V
SS
Analog
Comparator
ADCON (EFh) : ADC Control & ADC Result Value[0] Register
ADIV2
ADIV1
ADIV0
ADCR (EEh) : ADC Result Value[8:1] 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(0) R/W(0)
AD_EN AD_REQ AD_END
SAR8
8
7
SAR7
6
ADCR
Clock prescaling
System Clock
Approximation
5
Successive
4
Register
SAR6
R(1)
3
2 1
F
SAR[8:0]
SAR[8:1]
MiDAS1.0 Family
ADC
R/W(0) R/W(0) R/W(0)
ADCF
SAR5
ACH1
SAR4
ADCON
AD_END
ADCF
ADC Interrupt Flag
ACH0
SAR3
SAR[0]
SAR2
0
-
R/W(0)
SAR0
SAR1
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