ST7LITE49M STMicroelectronics, ST7LITE49M Datasheet - Page 151

• Manufacturer Part Number: ST7LITE49M
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST7LITE49M

• 4 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
• 128 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
• A/d Converter: 10 input channels

ST7LITE49M
Table 70.
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.
13.6
tolerance.
f
400
300
200
100
SCL
50
20
P
= External pull-up resistance, f
R
SCL frequency (multimaster I
Clock and timing characteristics
Subject to general operating conditions for V
Table 71.
1. Guaranteed by Design. Not tested in production.
2. Data based on typical application software.
3. Time measured between interrupt event and interrupt vector fetch. Δt
P
Symbol
=3.3 kΩ R
t
84h
11h
25h
61h
NA
NA
c(INST)
t
v(IT)
needed to finish the current instruction execution.
V
DD
= 3.3 V
P
Interrupt reaction time
=4.7 kΩ
General timings
84h
11h
25h
61h
NA
NA
Instruction cycle time
t
v(IT)
f
CPU
SCL
Parameter
= Δt
= 4 MHz
= I
R
c(INST)
2
C speed
P
=3.3 kΩ
84h
11h
25h
61h
NA
NA
(1)
V
+ 10
DD
Doc ID 13562 Rev 3
2
C interface)
(3)
= 5 V
R
P
=4.7 kΩ R
84h
11h
25h
62h
NA
NA
I2CCCR Value
f
f
CPU
CPU
Conditions
DD
(1)(2)(3)
, f
= 8 MHz
= 8 MHz
P
=3.3 kΩ R
OSC
8Ah
4Ch
FFh
84h
86h
25h
V
DD
, and T
= 3.3 V
c(INST)
P
A
=4.7 kΩ R
8Ah
4Ch
FFh
.
83h
86h
24h
1.25
Min
250
10
f
2
CPU
is the number of t
Electrical characteristics
= 8 MHz
Typ
375
3
P
=3.3 kΩ R
(2)
8Ah
4Dh
FFh
84h
86h
25h
V
DD
1500
Max
2.75
CPU
12
22
= 5 V
cycles
P
=4.7 kΩ
4Ch
8Ah
FFh
84h
86h
24h
151/188
Unit
t
t
CPU
CPU
ns
μs