STR711FR0 STMicroelectronics, STR711FR0 Datasheet - Page 41

• Manufacturer Part Number: STR711FR0
• Description: ARM-Based Flash microcontrollers with USB
• Manufacturer: STMicroelectronics

Specifications of STR711FR0

• 5 Power Saving Modes: SLOW, WAIT, LPWAIT, STOP and STANDBY modes
• Conversion Range: 0 to 2.5 V

STR71xF
4.3.2
Clock and timing characteristics
External clock sources
Subject to general operating conditions for V
Table 18.
Notes:
1. Data based on design simulation and/or technology characteristics, not tested in production.
Figure 14. CK external clock source
DuCy(XT1)
Symbol
C
t
t
V
V
t
t
w(CK)
w(CK)
IN(CK)
r(CK)
f(CK)
f
CKH
CK
CKL
I
L
V
V
CKH
CKL
External clock source
frequency
CK input pin high level
voltage
CK input pin low level
voltage
CK high or low time
CK rise or fall time
CK input capacitance
Duty cycle
CK Input leakage current
EXTERNAL
CLOCK SOURCE
CK external clock characteristics
Parameter
t
r(CK)
T
CK
1)
1)
1)
t
f(CK)
CK
90%
10%
V
SS
Conditions
≤V
IN
33
≤V
t
w(CKH)
, and T
33
A
I
L
.
0.7xV
t
w(CKL)
Min
V
25
40
0
SS
33
f
CLK
STR710
Typ
5
Electrical parameters
0.3xV
Max
16.5
V
20
60
±1
33
33
MHz
Unit
41/78
µA
pF
ns
%
V