ST7263BK6 STMicroelectronics, ST7263BK6 Datasheet - Page 162
ST7263BK6
Manufacturer Part Number
ST7263BK6
Description
LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
Manufacturer
STMicroelectronics
Datasheet
1.ST7263BH6.pdf
(186 pages)
Specifications of ST7263BK6
4, 8, 16 Or 32 Kbytes Program Memory
high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection
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Electrical characteristics
Table 77.
1. Legend: R
2. The above variations depend on the accuracy of the external components used.
3. For speeds around 200 kHz, achieved speed can have ±5% tolerance.
4. For other speed ranges, achieved speed can have ±2% tolerance.
13.11
162/186
400
300
200
100
50
20
(kHz)
f
SCL
NA
NA
83h
10h
24h
5Fh
R
P
P
Table 77
SCL line frequency.
SCL frequency
8-bit ADC
Subject to general operating conditions for V
Table 78.
1. Unless otherwise specified, typical data are based on T
2. When V
3. Any added external serial resistor will downgrade the ADC accuracy (especially for resistance greater than
4. The stabilization time of the AD converter is masked by the first t
= External pull-up resistance; f
=3.3 kΩ R
Symbol
C
t
R
f
V
t
STAB
ADC
ADC
10k
is then always valid.
ADC
V
AIN
AIN
DD
Ω
). Data based on characterization results, not tested in production.
= 4.1 V
gives the values to be written in the I2CCCR register to obtain the required I
NA
NA
83h
10h
24h
5Fh
ADC clock frequency
Conversion range voltage
External input resistor
Internal sample and hold
capacitor
Stabilization time after ADC
enable
Conversion time (Sample+Hold)
- Sample capacitor loading time
- Hold conversion time
DDA
P
=4.7 kΩ R
8-bit ADC characteristics
and V
f
(1)(2)(3)(4)
CPU
SSA
=4 MHz
Parameter
pins are not available on the pinout, the ADC refer to V
NA
NA
83h
10h
24h
5Fh
P
=3.3 kΩ R
SCL
= I
V
DD
2
C speed; NA = not achievable.
Doc ID 7516 Rev 8
= 5 V
(2)
NA
NA
83h
10h
24h
5Fh
P
=4.7 kΩ R
I2CCCR Value
f
f
CPU
ADC
Conditions
DD
=8 MHz,
=2 MHz
83h
85h
24h
4Ch
FFh
8Ah
P
, f
A
=3.3 kΩ R
=25°C and V
OSC
V
DD
, and T
LOAD
= 4.1 V
83
85h
89h
23h
4Ch
FFh
. The first conversion after the enable
P
DD
A
=4.7 kΩ R
V
Min
-V
SSA
unless otherwise specified.
-
-
-
f
SS
CPU
=5V.
DD
=8 MHz
Typ
and V
83h
85h
8Ah
24h
4Ch
FFh
0
6
-
-
-
6
4
8
(4)
P
(1)
=3.3 kΩ R
SS.
V
V
DD
10
Max
DDA
4
-
(3)
= 5 V
ST7263Bxx
83h
85h
8Ah
23h
4Ch
FFh
P
=4.7 kΩ
1/f
2
MHz
Unit
κΩ
pF
C
µs
V
ADC
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