STM3220G-SK/IAR STMicroelectronics, STM3220G-SK/IAR Datasheet - Page 94

• Manufacturer Part Number: STM3220G-SK/IAR
• Description: DEV KIT STM32F207ZG KICKSTART
• Manufacturer: STMicroelectronics
• Series: IAR Kickstartr
• Type: MCUr

Specifications of STM3220G-SK/IAR

• Contents: Hardware, Software and Documentation
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: STM32F207
• Other names: 497-11404

Electrical characteristics
Table 43.
1. The I/O speed is configured using the OSPEEDRy[1:0] bits. Refer to the STM32F20/21xxx reference manual for a
2. TBD stands for “to be defined”.
3. The maximum frequency is defined in
4. For maximum frequencies above 50 MHz, the compensation cell should be used.
94/163
OSPEEDRy
[1:0] bit
value
description of the GPIOx_SPEEDR GPIO port output speed register.
11
-
(1)
I/O AC characteristics
F
Figure 36. I/O AC characteristics definition
Symbol
max(IO)out
t
t
t
r(IO)out
EXTIpw
f(IO)out
Maximum frequency
Output high to low level fall
time
Output low to high level rise
time
Pulse width of external signals
detected by the EXTI
controller
EXT ERNAL
OUTPUT
ON 50pF
Maximum frequency is achieved if (t r + t f ) ≤ 2/3)T and if the duty cycle is (45-55%)
Parameter
Figure
(1)(2)
t r(I O)out
36.
(continued)
(3)
Doc ID 15818 Rev 6
10%
50%
when loaded by 50pF
C
C
C
C
C
C
C
C
L
L
L
L
L
L
L
L
90%
= 20 pF, 2.4 < V
= 20 pF, 2.4 < V
= 30 pF, V
= 30 pF, V
= 10 pF, V
= 10 pF, V
= 10 pF, V
= 10 pF, V
Conditions
T
DD
DD
DD >
DD >
DD >
DD >
10%
> 2.7 V
> 2.7 V
50%
2.70 V
1.8 V
2.70 V
1.8 V
DD
DD
90%
< 2.7 V
< 2.7 V
t r(I O)out
STM32F205xx, STM32F207xx
Min
10
-
-
-
-
-
-
-
-
Typ
-
-
-
-
-
-
-
-
-
100
200
50
Max
TBD
TBD
TBD
TBD
TBD
ai14131
-
(4)
(4)
(4)
MHz
Unit
ns
ns