ST72215G2 STMicroelectronics, ST72215G2 Datasheet - Page 125
ST72215G2
Manufacturer Part Number
ST72215G2
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, I2C INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72104G2.pdf
(141 pages)
Specifications of ST72215G2
Emulation Voltage
5.5 V
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13.11 COMMUNICATION INTERFACE CHARACTERISTICS
13.11.1 SPI - Serial Peripheral Interface
Subject to general operating conditions for V
f
Figure 91. SPI Slave Timing Diagram with CPHA=0
Notes:
1. Data based on design simulation and/or characterisation results, not tested in production.
2. When no communication is on-going the data output line of the SPI (MOSI in master mode, MISO in slave mode) has
its alternate function capability released. In this case, the pin status depends on the I/O port configuration.
3. Measurement points are done at CMOS levels: 0.3xV
OSC
Symbol
1/t
t
t
w(SCKH)
w(SCKL)
t
t
t
t
t
t
t
t
dis(SO)
t
t
t
t
r(SCK)
su(SS)
f(SCK)
t
su(MI)
t
v(MO)
h(MO)
f
su(SI)
a(SO)
v(SO)
h(SO)
MISO
MOSI
h(SS)
h(MI)
c(SCK)
h(SI)
, and T
SCK
SS
CPHA=0
CPOL=0
CPHA=0
CPOL=1
OUTPUT
INPUT
INPUT
A
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
unless otherwise specified.
see note 2
t
a(SO)
t
su(SS)
t
su(SI)
Parameter
t
t
MSB IN
w(SCKH)
w(SCKL)
MSB OUT
t
t
h(SI)
c(SCK)
ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx
t
DD
v(SO)
DD
,
Master
Slave
Slave
Slave
Master
Slave
Master
Slave
Master
Slave
Slave
Slave
Slave (after enable edge)
Master (before capture edge)
BIT6 OUT
and 0.7xV
Refer to I/O port characteristics for more details on
the input/output alternate function characteristics
(SS, SCK, MOSI, MISO).
3)
Conditions
DD
BIT1 IN
.
t
f
f
h(SO)
CPU
CPU
=8MHz
=8MHz
t
t
r(SCK)
f(SCK)
f
CPU
LSB IN
0.0625
see I/O port pin description
0.25
0.25
Min
120
120
100
100
100
100
100
90
LSB OUT
0
0
0
/128
t
h(SS)
f
f
CPU
CPU
Max
120
240
120
2
4
/4
/2
t
dis(SO)
125/141
Unit
t
MHz
CPU
ns
note 2
see
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