ST7LITE49K2 STMicroelectronics, ST7LITE49K2 Datasheet - Page 215
ST7LITE49K2
Manufacturer Part Number
ST7LITE49K2
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST7LITE49K2.pdf
(245 pages)
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
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ST7LITE49K2
Figure 100. Two typical applications with unused I/O pin
1. During normal operation the ICCCLK pin must be pulled-up, internally or externally (external pull-up of 10k
2. I/O can be left unconnected if it is configured as output (0 or 1) by the software. This has the advantage of
Figure 101. R
Figure 102. I
mandatory in noisy environment). This is to avoid entering ICC mode unexpectedly during a reset.
greater EMC robustness and lower cost.
V
DD
pu
10 kΩ
pu
current versus voltage at four different temperatures
resistance versus voltage at four different temperatures
UNUSED I/O PORT
400
350
300
250
200
150
100
80
70
60
50
40
30
20
10
50
0
2.4
2.4
ST7XXX
2.8
2.8
-40°
25°
85°
125°
3.2
3.2
3.6
3.6
VDD [V]
VDD [V]
4
4
4.4
4.4
10 kΩ
4.8
4.8
-40°
25°
85°
125°
5.2
5.2
UNUSED I/O PORT
Electrical characteristics
5.6
5.6
ST7XXX
215/245
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