ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 206

• Manufacturer Part Number: ST7LITE49K2
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST7LITE49K2

• 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 10K write/erase cycles guaranteed Data retention
• 256 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: Internal trimmable 8 MHz RC oscillator, auto-wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-halt, Auto-wakeup from Halt, Wait and Slow

Electrical characteristics
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Figure 95. SPI slave timing diagram with CPHA=0
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
Figure 96. SPI slave timing diagram with CPHA=1
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 on the I/O port
configuration.
mode) has its alternate function capability released. In this case, the pin status depends on the I/O port
configuration.
MISO
MOSI
MISO
MOSI
SS
CPHA=1
CPOL=0
CPHA=1
CPOL=1
OUTPUT
INPUT
INPUT
SS
CPHA=0
CPOL=0
CPHA=0
CPOL=1
OUTPUT
INPUT
INPUT
see
note 2
t
a(SO)
see note 2
t
su(SS)
HZ
t
a(SO)
t
su(SS)
t
t
t
w(SCKH)
w(SCKL)
su(SI)
t
su(SI)
MSB IN
t
t
MSB IN
w(SCKH)
w(SCKL)
MSB OUT
MSB OUT
t
h(SI)
t
t
h(SI)
c(SCK)
t
c(SCK)
t
v(SO)
t
v(SO)
DD
DD
BIT6 OUT
BIT6 OUT
and 0.7xV
and 0.7xV
BIT1 IN
BIT1 IN
DD
DD
t
h(SO)
t
h(SO)
t
t
r(SCK)
f(SCK)
t
t
r(SCK)
f(SCK)
LSB IN
LSB IN
LSB OUT
LSB OUT
t
h(SS)
t
h(SS)
ST7LITE49K2
t
dis(SO)
t
dis(SO)
note 2
see
note 2
see