ST7263BE2 STMicroelectronics, ST7263BE2 Datasheet - Page 149

• Manufacturer Part Number: ST7263BE2
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
• Manufacturer: STMicroelectronics

Specifications of ST7263BE2

• 4, 8, 16 Or 32 Kbytes Program Memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection

ST7263Bxx
13.8
Table 70.
1. Configuration not recommended, all unused pins must be kept at a fixed voltage: using the output mode of the I/O for
2. The R
3. To generate an external interrupt, a minimum pulse width has to be applied on an I/O port pin configured as an external
Symbol
t
t
t
r(IO)out
f(IO)out
w(IT)in
V
R
example or an external pull-up or pull-down resistor (see
based on design simulation and technology characteristics, not tested in production. This value depends on V
temperature values.
Figure
interrupt source.
C
V
V
V
I
I
hys
PU
S
IH
IN
L
IO
IL
PU
61).
pull-up equivalent resistor is based on a resistive transistor (corresponding I
Input low level voltage
Input high level voltage
Input voltage
Schmitt trigger voltage hysteresis
Input leakage current
Static current consumption induced
by each floating input pin
Weak pull-up equivalent resistor
I/O pin capacitance
Output high to low level fall time
Output low to high level rise time
External interrupt pulse time
Table 69.
1. Class description: A Class is an STMicroelectronics internal specification. All its limits are higher than the
I/O port pin characteristics
Subject to general operating conditions for V
General characteristics
Figure 60. Two typical applications with unused I/O pin
Symbol
JEDEC specifications, that means when a device belongs to Class A it exceeds the JEDEC standard. B
Class strictly covers all the JEDEC criteria (international standard).
LU
Parameter
Static latchup class
Electrical sensitivities
V
DD
10kΩ
(1)
Parameter
(3)
UNUSED I/O PORT
(2)
Doc ID 7516 Rev 8
True open drain I/O pins
Other I/O pins
V
Floating input mode
V
C
Between 10% and 90%
ST72XXX
SS
IN
L
=50pF
=
≤
V
Figure
V
SS
Conditions
IN
≤
V
DD
60). Static peak current value taken at a fixed V
V
DD
DD
=5 V
, f
CPU
Conditions
T
, and T
A
=+25 °C
0.7xV
PU
Min
V
50
10kΩ
1
SS
-
-
-
-
-
-
-
A
current characteristics described in
DD
unless otherwise specified.
Electrical characteristics
UNUSED I/O PORT
Typ
400
400
90
25
25
5
-
-
-
-
-
-
ST72XXX
0.3xV
Class
Max
V
120
6.0
DD
±1
DD
-
-
-
-
-
-
-
IN
A
and
DD
value,
(1)
149/186
Unit
t
mV
CPU
µA
kΩ
pF
ns
V
V