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ST7262 データシート(PDF) 107 Page - STMicroelectronics

部品番号 ST7262
部品情報  LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI
PDF  139 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7262 データシート(HTML) 107 Page - STMicroelectronics

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12.6 MEMORY CHARACTERISTICS
Subject to general operating conditions for fCPU, and TA unless otherwise specified.
12.6.1 RAM and Hardware Registers
Note 1: Guaranteed by design. Not tested in production.
12.6.2 FLASH Memory
Operating Conditions: fCPU = 8 MHz.
Note:
1. Refer to the Flash Programming Reference Manual for the typical HDFlash programming and erase tim-
ing values.
Figure 60. Two typical Applications with VPP Pin
1)
Note 1: When the ICP mode is not required by the application, VPP pin must be tied to VSS.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VRM
Data retention mode 1)
HALT mode (or RESET)
2.0
V
DUAL VOLTAGE FLASH MEMORY 1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fCPU
Operating Frequency
Read mode
8
MHz
Write / Erase mode,
TA=25°C
8
VPP
Programming Voltage
4.0V <= VDD <= 5.5V
11.4
12.6
V
IPP
VPP Current
Write / Erase
30
mA
tVPP
Internal VPP Stabilization Time
10
µs
tRET
Data Retention
TA ≤ 55°C
40
years
NRW
Write Erase Cycles
TA=25°C
100
cycles
VPP
ST72XXX
10k
Ω
PROGRAMMING
TOOL
VPP
ST72XXX



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