ST7DALIF2 STMicroelectronics, ST7DALIF2 Datasheet - Page 153

• Manufacturer Part Number: ST7DALIF2
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7DALIF2

• 8 Kbytes Single Voltage Flash Program Memory With Read-out Protection, In-circuit Programming And In-application Programming (icp And Iap). 10k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55°C.
• 256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55°C.
• Clock Sources: Internal 1% RC oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-Halt, Wait and Slow, Auto Wake Up From Halt

ST7DALIF2
Note:
1
2
Figure 90. SPI slave timing diagram with CPHA=1
Figure 91. SPI master timing diagram
Measurement points are done at CMOS levels: 0.3xV
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.
MISO
MOSI
MISO
MOSI
SS
CPHA=0
CPOL=0
CPHA=1
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
t
See note 2
a(SO)
t
su(SS)
HZ
t
t
w(SCKH)
w(SCKL)
t
t
su(MI)
su(SI)
MSB IN
MSB OUT
MSB OUT
t
MSB IN
h(MI)
t
h(SI)
t
c(SCK)
t
c(SCK)
t
v(SO)
t
t
t
v(MO)
w(SCKH)
w(SCKL)
BIT6 OUT
BIT6 OUT
BIT6 IN
BIT1 IN
DD
t
h(SO)
t
and 0.7xV
h(MO)
t
t
r(SCK)
f(SCK)
t
t
r(SCK)
f(SCK)
LSB IN
Electrical characteristics
LSB OUT
LSB OUT
DD
t
h(SS)
LSB IN
.
t
dis(SO)
See note 2
note 2
see
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