ST72F324J4B5 STMicroelectronics, ST72F324J4B5 Datasheet - Page 119

• Manufacturer Part Number: ST72F324J4B5
• Description: MCU 8BIT 16K FLASH 5V 42DIP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F324J4B5

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -10°C ~ 85°C
• Package / Case: 42-DIP (0.600", 15.24mm)
• Processor Series: ST72F3x
• 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: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Development Tools By Supplier: ST7F521-IND/USB, ST7232X-EVAL, ST7MDT20-DVP3, ST7MDT20J-EMU3, STX-RLINK
• Minimum Operating Temperature: - 10 C
• On-chip Adc: 10 bit, 12 Channel
• For Use With: 497-6421 - BOARD EVAL DGTL BATT CHGR DESIGN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: 497-4848

OPERATING CONDITIONS (Cont’d)
12.4 LVD/AVD CHARACTERISTICS
12.4.1 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for T
Notes:
1. Data based on characterization results, not tested in production.
2. If the medium or low thresholds are selected, the detection may occur outside the specified operating voltage range.
12.4.2 Auxiliary Voltage Detector (AVD) Thresholds
Subject to general operating conditions for T
1. Data based on characterization results not tested in production.
V
V
V
Vt
t
V
V
V
∆V
g(VDD)
Symbol
Symbol
IT+(LVD)
IT-(LVD)
hys(LVD)
IT+(AVD)
IT-(AVD)
hys(AVD)
POR
IT-
Reset release threshold
(V
Reset generation threshold
(V
LVD voltage threshold hysteresis
V
Filtered glitch delay on V
1⇒0 AVDF flag toggle threshold
(V
0⇒1 AVDF flag toggle threshold
(V
AVD voltage threshold hysteresis
Voltage drop between AVD flag set
and LVD reset activated
DD
DD
DD
DD
DD
rise time
rise)
rise)
fall)
fall)
Parameter
Parameter
1)
DD
1)
1)
A
VD level = High in option byte
VD level = Med. in option byte
VD level = Low in option byte
VD level = High in option byte
VD level = Med. in option byte
VD level = Low in option byte
V
Not detected by the LVD
A
VD level = High in option byte
VD level = Med. in option byte
VD level = Low in option byte
VD level = High in option byte
VD level = Med. in option byte
VD level = Low in option byte
V
V
IT+(LVD)
IT+(AVD)
IT-(AVD)
-V
-V
-V
Conditions
Conditions
IT-(LVD)
IT-(LVD)
IT-(AVD)
2)
2)
2)
2)
3.55
2.95
3.35
6µs/V
4.0
2.8
3.95
3.75
Min
150
4.4
3.4
3.8
3.2
Min
4.2
ST72324Jx ST72324Kx
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
Typ
3.75
3.15
3.55
200
4.2
4.0
3.0
Typ
4.15
200
450
4.6
3.6
4.4
4.0
3.4
100ms/V
4.65
4.25
3.15
3.35
3.75
Max
4.2
3.6
Max
4.4
3.8
4.0
250
4.9
4.5
40
1)
1)
1)
1)
1)
1)
1)
1)
1)
1)
119/164
Unit
mV
mV
Unit
mV
V
ns
V
1