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ST7263BEx Datasheet(PDF) 145 Page - STMicroelectronics

Part # ST7263BEx
Description  Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I²C
PDF  186 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7263BEx Datasheet(HTML) 145 Page - STMicroelectronics

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ST7263Bxx
Electrical characteristics
Doc ID 7516 Rev 8
145/186
Figure 58.
Typical application with a crystal resonator
13.6
Memory characteristics
Subject to general operating conditions for fCPU, and TA unless otherwise specified.
13.6.1
Flash memory
Operating Conditions: fCPU = 8 MHz.
OSCOUT
OSCIN
fOSC
CL1
CL2
i2
RF
ST72XXX
RESONATOR
Table 64.
RAM and hardware registers
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VRM
Data retention mode(1)
1.
Guaranteed by design. Not tested in production.
Halt mode (or RESET)
2.0
-
-
V
Table 65.
Dual voltage Flash memory(1)
1.
Refer to the Flash programming reference manual for the typical HDFlash programming and erase timing
values.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fCPU
Operating frequency
Read mode
-
-
8
MHz
Write / Erase
mode, TA=25 °C
--
8
VPP
Programming voltage
4.0 V
≤V
DD ≤ 5.5 V
11.4
-
12.6
V
IPP
VPP current
Write / Erase
-
30
-
mA
tVPP
Internal VPP stabilization time
-
10
-
µs
tRET
Data retention
TA ≤ 5 5°C
40
-
-
years
NRW
Write/erase cycles
TA=25 °C
100
-
-
cycles



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