ST72T331N2T6 STMicroelectronics, ST72T331N2T6 Datasheet - Page 97
![no-image](/images/manufacturer_photos/0/6/637/stmicroelectronics_sml.jpg)
ST72T331N2T6
Manufacturer Part Number
ST72T331N2T6
Description
8-bit Microcontrollers - MCU OTP EPROM 8K SPI/SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST72T331N2T6.pdf
(107 pages)
Specifications of ST72T331N2T6
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
ST7
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
Program Memory Size
8 KB
Data Ram Size
384 B
On-chip Adc
Yes
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
8 bit
A/d Channels Available
8
Interface Type
SCI, SPI
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
44
Number Of Timers
2
On-chip Dac
No
Program Memory Type
EPROM
Factory Pack Quantity
90
Supply Voltage - Max
5.5 V
Supply Voltage - Min
3.5 V
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PERIPHERAL CHARACTERISTICS (Cont’d)
(T
*Note: ADC Accuracy vs. Negative Injection Current :
For I
a loss of 1 LSB by 10K increase of the external analog source impedance.
These measurements results and recommendations take worst case injection conditions into account:
- negative injection
- injection to an Input with analog capability, adjacent to the enabled Analog Input
- at 5V V
Symbol
C
V
SS
C
T
Res
DLE
ILE
V
I
t
t
R
C
R
leakage
A
ADC
STAB
CONV
T
pin
hold
SAMPLE
AIN
AIN
HOLD
SS
V
= -40°C to +125°C and V
inj-
AIN
=0.8mA, the typical leakage induced inside the die is 1.6µA and the effect on the ADC accuracy is
DD
= input capacitance
= threshold voltage
= sampling switch
= sample/hold
= leakage current
at the pin due
to various junctions
R
capacitance
Sample Duration
ADC Resolution
Differential Linearity Error*
Integral Linearity Error*
Analog Input Voltage
Supply current rise
during A/D conversion
Stabilization time after ADC enable
Conversion Time
Resistance of analog sources
(V
Hold Capacitance
Resistance of sampling switch and
internal trace
supply, and worst case temperature.
AIN
AIN)
Parameter
DD
Px.x/AINx
= 5V±10% unless otherwise specified )
C
5pF
pin
A/D Converter Specifications
f
V
f
V
f
V
CPU
CPU
CPU
DD
DD
DD
=8MHz
=8MHz
=8MHz, T=25°C,
=V
=V
=V
Conditions
DDA
DDA
DDA
V
V
T
T
=5V
=5V
=5V
V
= 0.6V
= 0.6V
DD
±1µA
leakage max.
V
Min
SSA
SS
Sampling
Switch
2K
ST72E331 ST72T331
Typ
±0.6
31.5
30
64
8
1
8
R
SS
V
Max
±1
±2
DDA
15
22
2
V
C
22 pF
SS
hold
1/f
bit
V
mA
µs
µs
1/f
K
pF
K
97/107
Unit
CPU
CPU
97
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