ST72321J7-Auto STMicroelectronics, ST72321J7-Auto Datasheet - Page 191
ST72321J7-Auto
Manufacturer Part Number
ST72321J7-Auto
Description
8-bit MCU for automotive with 48 Kbyte Flash, 10-bit ADC, timers, SPI, SCI and I2C interfaces
Manufacturer
STMicroelectronics
Datasheet
1.ST72321R9-AUTO.pdf
(243 pages)
Specifications of ST72321J7-Auto
Hdflash Endurance
100 cycles, data retention 20 years
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
4 Power Saving Modes
Halt, Active Halt, Wait and Slow
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ST72321xx-Auto
19.4
19.4.1
Table 111. Current consumption
1. Data based on characterization results, tested in production at V
2. Measurements are done in the following conditions:
3. All I/O pins in push-pull 0 mode (when applicable) with a static value at V
4. Data based on characterization results, not tested in production. All I/O pins in push-pull 0 mode (when applicable) with a
Symbol
I
I
- Program executed from RAM, CPU running with RAM access. The increase in consumption when executing from Flash is
50%.
- All I/O pins in input mode with a static value at V
- All peripherals in reset state.
- LVD disabled.
- Clock input (OSC1) driven by external square wave.
- In Slow and Slow Wait mode, f
- To obtain the total current consumption of the device, add the clock source
consumption
characterization results, tested in production at V
static value at V
current consumption of the device, add the clock source consumption
DD
DD
Supply current in
Run mode
Supply current in
Slow mode
Supply current in
Wait mode
Supply current in
Slow Wait mode
Supply current in
Halt mode
Supply current in
Active Halt mode
Supply current characteristics
The following current consumption specified for the ST7 functional operating modes over
temperature range does not take into account the clock source current consumption. To
obtain the total device consumption, the two current values must be added (except for Halt
mode, for which the clock is stopped).
Current consumption
Parameter
(Section
DD
or V
(3)
(2)
(2)
(2)
19.4.3).
SS
(2)
(no load); clock input (OSC1) driven by external square wave, LVD disabled. To obtain the total
(4)
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
-40°C < T
-40°C < T
f
f
f
f
CPU
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
is based on f
= 2MHz, f
= 4 MHz, f
= 8 MHz, f
= 16 MHz, f
= 2 MHz, f
= 4 MHz, f
= 8 MHz, f
= 16 MHz, f
= 2 MHz, f
= 4 MHz, f
= 8 MHz, f
= 16 MHz, f
= 2 MHz, f
= 4 MHz, f
= 8 MHz, f
= 16 MHz, f
= 2 MHz
= 4 MHz
= 8 MHz
= 16 MHz
A
A
Conditions
< +125°C
< +85°C
CPU
DD
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
OSC
DD
Doc ID 13829 Rev 1
CPU
CPU
CPU
CPU
max. and f
or V
= 1 MHz
divided by 32.
= 2 MHz
= 4 MHz
= 62.5 kHz
= 125 kHz
= 250 kHz
= 1 MHz
= 2 MHz
= 4 MHz
= 62.5 kHz
= 125 kHz
= 250 kHz
= 8 MHz
= 500 kHz
= 8 MHz
= 500 kHz
SS
(no load)
CPU
DD
max.
max. and f
(Section
1100
1050
DD
Typ
600
700
800
580
650
770
160
325
650
1.3
2.0
3.6
7.1
1.0
1.5
2.5
4.5
<1
<1
80
or VSS (no load), LVD disabled. Data based on
devices
(Section
Flash
CPU
19.4.2).
max.
No max.
guaran-
Max
2700
3000
3600
4000
1200
1300
1800
2000
15.0
teed
19.4.2) and the peripheral power
3.0
5.0
8.0
3.0
4.0
5.0
7.0
10
50
(1)
Electrical characteristics
1100
Typ
600
700
800
100
200
350
160
325
650
1.3
2.0
3.6
7.1
1.0
1.5
2.5
4.5
70
<1
<1
80
devices
ROM
No max.
guaran-
Max
1800
2100
2400
3000
1200
10.0
teed
200
300
600
2.0
3.0
5.0
1.3
2.0
3.3
6.0
10
50
(1)
191/243
Unit
mA
mA
µA
µA
µA
µA
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