9202 datasheet(72/175 Pages) STMICROELECTRONICS

부품명	9202

상세설명	Flash Programmable System Devices with 8032 Microcontroller Core

PDF	175 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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72 / 175 page

UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV

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Table 46. ADC SFR Memory Map

Table 47. Description of the ACON Bits

Table 48. ADC Clock Input

SFR

Addr

Reg

Name

Bit Register Name

Reset

Value

Comments

ASCL

8-bit

Prescaler for

ADC clock

ADAT

ADAT7

ADAT6

ADAT5

ADAT4

ADAT3

ADAT2

ADAT1

ADAT0

ADC Data

ACON

ADEN

ADS1

ADS0

ADST

ADSF

ADC Control

Bit

Symbol

Function

7 to 6

—

Reserved

ADEN

ADC Enable Bit: 0 : ADC shut off and consumes no operating current

1 : enable ADC

—

Reserved

3 to 2

ADS1, ADS0

Analog channel select

0, 0

Channel0 (ACH0)

0, 1

Channel1 (ACH1)

1, 0

Channel2 (ACH2)

1, 1

Channel3 (ACH3)

ADST

ADC Start Bit:

0 : force to zero

1 : start an ADC; after one cycle, bit is cleared to '0'

ADSF

ADC Status Bit:

0 : A/D conversion is in process

1 : A/D conversion is completed, not in process

MCU Clock Frequency

Prescaler Register Value

ADC Clock

40MHz

6.7MHz

36MHz

6MHz

24MHz

6MHz

12MHz

6MHz

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