ST72C334J4T6 STMicroelectronics, ST72C334J4T6 Datasheet - Page 113

• Manufacturer Part Number: ST72C334J4T6
• Description: MCU 8BIT FLASH SPI SCI 44TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72C334J4T6

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3.2 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Processor Series: ST72C3x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4 bit
• Operating Supply Voltage: 3.2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: ST7C334-INDART, ST7MDT2-EPB2/US
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-4838

16.4 SUPPLY CURRENT CHARACTERISTICS
The following current consumption specified for
the ST7 functional operating modes over tempera-
ture range does not take into account the clock
source current consumption. To get the total de-
16.4.1 RUN and SLOW Modes
Figure 63. Typical I
Notes:
1. Typical data are based on T
2. Data based on characterization results, tested in production at V
3. CPU running with memory access, all I/O pins in input mode with a static value at V
in reset state; clock input (OSC1) driven by external square wave, CSS and LVD disabled.
4. SLOW mode selected with f
V
Symbol
SS
I
Symbol
DD
I
DD( Ta)
(no load), all peripherals in reset state; clock input (OSC1) driven by external square wave, CSS and LVD disabled.
IDD [mA]
4
8
7
6
5
3
2
0
1
Supply current in RUN mode
(see
Supply current in SLOW mode
(see
Supply current in RUN mode
(see
Supply current in SLOW mode
(see
3.2
Supply current variation vs. temperature
Figure
Figure
Figure
Figure
8MHz
4MHz
3.5
63)
64)
63)
64)
DD
Parameter
4
in RUN vs. f
VDD [V]
2MHz
1MHz
A
CPU
Parameter
=25°C, V
4.5
based on f
3)
3)
5
DD
4)
4)
CPU
=5V (4.5V V
OSC
5.5
divided by 32. All I/O pins in input mode with a static value at V
DD
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
OSC
5.5V range) and V
Constant V
vice consumption, the two current values must be
added (except for HALT mode for which the clock
is stopped).
Figure 64. Typical I
=2MHz, f
=4MHz, f
=8MHz, f
=16MHz, f
=2MHz, f
=4MHz, f
=8MHz, f
=16MHz, f
=2MHz, f
=4MHz, f
=8MHz, f
=16MHz, f
=2MHz, f
=4MHz, f
=8MHz, f
=16MHz, f
Conditions
DD
IDD [mA]
0.4
ST72334J/N, ST72314J/N, ST72124J
1.2
0.8
0.6
0.2
max. and f
0
DD
1
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
CPU
Conditions
and f
3.2
=1MHz
=2MHz
=4MHz
=62.5kHz
=125kHz
=250kHz
=1MHz
=2MHz
=4MHz
=62.5kHz
=125kHz
=250kHz
=8MHz
=500kHz
=8MHz
=500kHz
DD
CPU
CPU
=3.4V (3.2V V
3.5
DD
max.
DD
500kHz
250kHz
or V
in SLOW vs. f
4
VDD [V]
SS
Typ
1.2
2.1
3.9
7.4
0.4
0.5
0.7
1.0
0.3
0.8
1.6
3.5
0.1
0.2
0.3
0.5
(no load), all peripherals
4.5
DD
125kHz
62.5kHz
1)
3.6V range).
Max
5
14.0
Max
1.8
3.5
7.0
0.9
1.1
1.4
2.0
1.5
0.3
0.5
0.6
1.0
10
1
3
7
CPU
2)
5.5
113/153
Unit
Unit
mA
%
DD
or