ST7FOXK1 STMicroelectronics, ST7FOXK1 Datasheet - Page 194

• Manufacturer Part Number: ST7FOXK1
• Description: Low cost flash 8bit micro
• Manufacturer: STMicroelectronics

Specifications of ST7FOXK1

• 4 To 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 1K write/erase cycles guaranteed Data retention
• 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: up to 10 input channels

Electrical characteristics
12.5
12.5.1
Table 75.
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.
194/226
tolerance.
f
400
300
200
100
P
SCL
50
20
= External pull-up resistance, f
Communication interface characteristics
I
Subject to general operating conditions for V
Refer to I/O port characteristics for more details on the input/output alternate function
characteristics (SDAI and SCLI). The ST7 I
requirements of the Standard I
T
Table 74.
1. The I
Table 102
SCL line frequency.
SCL frequency (multimaster I
2
Symbol
A
f
C interface
SCL
= -40°C to 85 °C, unless otherwise specified.
(1)
R
2
P
C interface will not function below the minimum clock speed of 4 MHz (see
=3.3kΩ
84h
11h
25h
61h
NA
NA
gives the values to be written in the I2CCCR register to obtain the required I
f
CPU
I
2
C interface characteristics
I²C SCL frequency
= 4 MHz, V
SCL
Parameter
= I
2
C speed.
DD
= 5 V
R
2
P
2
C communication protocol.
=4.7kΩ
C interface)
84h
11h
25h
62h
NA
NA
I2CCCR Value
f
CPU
2
C interface meets the electrical and timing
DD
V
(1)(2)(3)
DD
=4 MHz to 8 MHz,
, f
Conditions
= 4.5 to 5.5 V
OSC
R
, and T
ST7FOXF1, ST7FOXK1, ST7FOXK2
P
=3.3kΩ
8Ah
4Dh
FFh
84h
86h
25h
f
CPU
A
unless otherwise specified.
= 8 MHz, V
Table
Min
DD
75).
= 5 V
R
P
=4.7kΩ
8Ah
4Ch
FFh
84h
86h
24h
Max
400
2
Unit
kHz
C