Datasheet

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STM32F413xG/H Electrical characteristics
174
QSPI interface characteristics
Unless otherwise specified, the parameters given in the following tables for QSPI are
derived from tests performed under the ambient temperature, f
AHB
frequency and V
DD
supply voltage conditions summarized in
Table 17, with the following configuration:
• Output speed is set to OSPEEDRy[1:0] = 11
• Capacitive load C=20pF
• Measurement points are done at CMOS levels: 0.5VDD
Refer to Section 6.3.16: I/O port characteristics for more details on the input/output alternate
function characteristics.
Table 70. QSPI dynamic characteristics in SDR mode
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
SCK
1/t
c(SCK)
QSPI clock frequency
2.7 V < V
DD
< 3.6 V
C
load
= 20 pF
--100
MHz
1.71 V < V
DD
< 3.6 V
C
load
= 15 pF
--80
t
w(CKH)
QSPI clock high and low -
t
(CK)
/ 2 - 1 - t
(CK)
/ 2
ns
t
w(CKL)
t
(CK)
/ 2 - t
(CK)
/ 2 + 1
t
s(IN)
Data input setup time - 1.5 - -
t
h(IN)
Data input hold time - 3 - -
t
v(OUT)
Data output valid time
2.7 V < V
DD
< 3.6 V - 0.5 1
1.71 V < V
DD
< 3.6 V - 0.5 3
t
h(OUT)
Data output hold time - 0 - 0
1. Guaranteed by characterization results.
Table 71. QSPI dynamic characteristics in DDR mode
(1)
Symbol Parameter Conditions Min Typ Max Unit
f
SCK
1/t
c(SCK)
QSPI clock frequency
2.7 V < V
DD
< 3.6 V
C
load
= 20 pF
-- 80
MHz
1.71 V< V
DD
< 3.6 V
C
load
= 15 pF
-- 70
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