ST72521R9-Auto STMicroelectronics, ST72521R9-Auto Datasheet - Page 244

• Manufacturer Part Number: ST72521R9-Auto
• Description: 8-bit MCU for automotive
• Manufacturer: STMicroelectronics

Specifications of ST72521R9-Auto

• Hdflash Endurance: 100 cycles, data retention 20 years
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
• 4 Power Saving Modes: Halt, Active Halt, Wait and Slow

Electrical characteristics
20.11
20.11.1
Table 152. SPI characteristics
1. Data based on design simulation and/or characterization results, not tested in production.
2. Depends on f
244/276
t
t
w(SCKH)
w(SCKL)
t
1/t
t
Symbol
t
t
t
t
t
t
dis(SO)
t
t
su(SS)
t
su(MI)
t
h(MO)
su(SI)
a(SO)
h(SO)
v(MO)
t
h(SS)
v(SO)
t
h(MI)
h(SI)
r(SCK)
f(SCK)
f
c(SCK)
SCK
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
SPI clock frequency
SPI clock rise and fall time
SS setup time
SS hold time
SCK high and low time
Data input setup time
Data input hold time
Data output access time
Data output disable time
Data output valid time
Data output hold time
Data output valid time
Data output hold time
Communication interface characteristics
SPI (serial peripheral interface)
Subject to general operating conditions for V
Refer to
alternate function characteristics (SS, SCK, MOSI, MISO).
CPU
. For example, if f
Parameter
Section 20.8: I/O port pin characteristics
(2)
CPU
= 8 MHz, then t
Master, f
Slave, f
Slave
Slave
Master
Slave
Master
Slave
Master
Slave
Slave
Slave
Slave (after enable edge)
Master (after enable edge)
Doc ID 17660 Rev 1
Conditions
CPU
CPU
CPU
= 8 MHz
= 8 MHz
= 1 / f
CPU
DD
= 125 ns and t
, f
CPU
for more details on the input/output
f
CPU
, and T
t
/128 = 0.0625
CPU
Min
120
100
100
100
100
100
su(SS)
90
0
see I/O port pin description
0
0
0
A
+ 50
unless otherwise specified.
= 175 ns.
f
f
CPU
CPU
ST72521xx-Auto
Max
120
240
120
120
/4 = 2
/2 = 4
MHz
Unit
t
CPU
ns