ST72215G2 STMicroelectronics, ST72215G2 Datasheet - Page 126
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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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ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx
COMMUNICATION INTERFACE CHARACTERISTICS (Cont’d)
Figure 92. SPI Slave Timing Diagram with CPHA=1
Figure 93. SPI Master Timing Diagram
Notes:
1. Measurement points are done at CMOS levels: 0.3xV
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 of the I/O port configuration.
126/141
MISO
MOSI
MISO
MOSI
SS
CPHA=0
CPOL=0
CPHA=0
CPOL=1
OUTPUT
INPUT
SS
INPUT
CPHA=0
CPOL=0
CPHA=0
CPOL=1
CPHA=1
CPOL=0
CPHA=1
CPOL=1
INPUT
OUTPUT
INPUT
see
note 2
see note 2
t
a(SO)
t
su(SS)
HZ
t
t
t
v(MO)
w(SCKH)
w(SCKL)
t
su(MI)
t
su(SI)
MSB OUT
MSB IN
MSB OUT
t
h(MO)
t
MSB IN
h(MI)
1)
t
h(SI)
t
c(SCK)
t
c(SCK)
t
t
t
v(SO)
w(SCKH)
w(SCKL)
DD
and 0.7xV
BIT6 OUT
1)
BIT6 OUT
BIT6 IN
DD
.
BIT1 IN
t
h(SO)
t
t
t
t
r(SCK)
f(SCK)
r(SCK)
f(SCK)
LSB OUT
LSB IN
LSB OUT
LSB IN
t
h(SS)
t
see note 2
dis(SO)
note 2
see
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