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ST72324BJ2 bảng dữ liệu(PDF) 148 Page - STMicroelectronics

tên linh kiện ST72324BJ2
Giải thích chi tiết về linh kiện  8-bit MCU, 3.8 to 5.5 V operating range with 8 to 32 Kbyte Flash/ROM, 10-bit ADC, 4 timers, SPI, SCI
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST72324BJ2 bảng dữ liệu(HTML) 148 Page - STMicroelectronics

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Electrical characteristics
ST72324B
148/188
which is integrated over several CPU cycles. Therefore the longer the period of the
application signal, the less it will be impacted by the PLL jitter.
Figure 69 shows the PLL jitter integrated on application signals in the range 125 kHz to
2 MHz. At frequencies of less than 125 kHz, the jitter is negligible.
Figure 69.
Integrated PLL jitter vs signal frequency(1)
1.
Measurement conditions: fCPU = 8 MHz
12.7
Memory characteristics
12.7.1
RAM and hardware registers
12.7.2
Flash memory
0
0.2
0.4
0.6
0.8
1
1.2
4 MHz
2 MHz
1 MHz 500 kHz 250 kHz 125 kHz
Application Frequency
+/-Jitter (%)
Max
Typ
Table 99.
RAM and hardware registers
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VRM
Data retention mode(1)
1.
Minimum VDD supply voltage without losing data stored in RAM (in Halt mode or under reset) or in
hardware registers (only in Halt mode). Not tested in production.
Halt mode (or reset)
1.6
V
Table 100.
Dual voltage HDFlash memory
Symbol
Parameter
Conditions
Min(1)
Typ
Max(1)
Unit
fCPU
Operating frequency
Read mode
0
8
MHz
Write/Erase mode
1
8
VPP
Programming voltage(2)
4.5V < VDD < 5.5V
11.4
12.6
V
IDD
Supply current(3)
Write/Erase
<10
µA
IPP
VPP current
(3)
Read (VPP = 12V)
200
µA
Write/Erase
30
mA
tVPP
Internal VPP stabilization time
10
µs
tRET
Data retention
TA=85°C
40
years
TA=105°C
25
TA=125°C
10



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