ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 204

• 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
Table 81.
1. R
2. For fast mode speeds, achieved speed can have ±5% tolerance. For other speed ranges, achieved speed can have ±2%
3. The above variations depend on the accuracy of the external components used.
204/245
tolerance.
f
400
300
200
100
SCL
50
20
P
= External pull-up resistance, f
R
SCL frequency (multimaster I
P
=3.3 kΩ R
84h
11h
25h
61h
NA
NA
V
DD
= 3.3 V
P
=4.7 kΩ
84h
11h
25h
61h
NA
NA
f
CPU
SCL
= 4 MHz
= I
R
2
C speed
P
=3.3 kΩ
84h
11h
25h
61h
NA
NA
V
DD
2
C interface)
= 5 V
R
P
=4.7 kΩ R
84h
11h
25h
62h
NA
NA
I2CCCR Value
(1)(2)(3)
P
=3.3 kΩ R
8Ah
4Ch
FFh
84h
86h
25h
V
DD
= 3.3 V
P
=4.7 kΩ R
8Ah
4Ch
FFh
83h
86h
24h
f
CPU
= 8 MHz
P
=3.3 kΩ R
8Ah
4Dh
FFh
84h
86h
25h
V
DD
ST7LITE49K2
= 5 V
P
=4.7 kΩ
4Ch
8Ah
FFh
84h
86h
24h