UPSD3234A-40U6T STMicroelectronics, UPSD3234A-40U6T Datasheet - Page 78
UPSD3234A-40U6T
Manufacturer Part Number
UPSD3234A-40U6T
Description
IC MCU 8032 64KB FLASH 80TQFP
Manufacturer
STMicroelectronics
Series
µPSDr
Datasheet
1.UPSD3234A-40U6T.pdf
(189 pages)
Specifications of UPSD3234A-40U6T
Core Processor
8032
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, UART/USART, USB
Peripherals
LVR, POR, PWM, WDT
Number Of I /o
46
Program Memory Size
288KB (288K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPSD3234A-40U6T
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Analog-to-digital convertor (ADC)
Table 46.
78/189
addr
SFR
95
96
97
ACON
name
ASCL
ADAT
Reg
Figure 34. ADC block diagram
ADC SFR memory map
Table 47.
7 to 6
3 to 2
Bit
5
4
1
ADAT7
7
Symbol
ADS1,
ADEN
ADST
ADS0
0, 0
0, 1
1, 0
1, 1
Description of the ACON bits
—
—
ADAT6
AVREF
ACON
ACH0
ACH1
ACH2
ACH3
6
Reserved
ADC Enable Bit:
Reserved
Analog channel select
ADC Start bit:
ADAT5
ADEN
5
MUX
Input
Bit register name
ADAT4
UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
4
0 : ADC shut off and consumes no operating current
1 : enable ADC
Channel0 (ACH0)
Channel1 (ACH1)
Channel2 (ACH2)
Channel3 (ACH3)
0 : force to zero
1 : start an ADC; after one cycle, bit is cleared to '0'
S/H
ADAT3 ADAT2
ADS1
D
Resistor
Ladder
ecode
3
INTERNAL BUS
ADS0
2
Function
ADAT1
ADST
1
Approximation
Successive
Circuit
ADAT0
ADSF
0
Reset
value
Conversion
00
00
00
Complete
ADAT
Interrupt
AI06627
Prescaler for
ADC Control
Comments
ADC clock
ADC Data
Register
Register
8-bit
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