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| 型號(hào)： | ST72F321AR7T6 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE |
| 中文描述： | 64/44-PIN 8位微控制器32點(diǎn)，至60,000閃存/ ROM，ADC的，5個(gè)定時(shí)器，SPI和SCI的I2C接口 |
| 文件頁(yè)數(shù)： | 175/189頁(yè) |
| 文件大?。?/td> | 3090K |
| 代理商： | ST72F321AR7T6 |
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ST72321
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14 ST72321 DEVICE CONFIGURATION AND ORDERING INFORMATION
Each device is available for production in user pro-
grammable versions (FLASH) as well as in factory
coded versions (ROM/FASTROM).
ST72321 devices are ROM versions. ST72P321
devices are Factory Advanced Service Technique
ROM (FASTROM) versions: they are factory-pro-
grammed HDFlash devices. FLASH devices are
shipped to customers with a default content, while
ROM/FASTROM factory coded parts contain the
code supplied by the customer. This implies that
FLASH devices have to be configured by the cus-
tomer using the Option Bytes while the ROM/FAS-
TROM devices are factory-configured.
14.1 FLASH OPTION BYTES
The option bytes allow the hardware configuration
of the microcontroller to be selected. They have no
address in the memory map and can be accessed
only in programming mode (for example using a
standard ST7 programming tool). The default con-
tent of the FLASH is fixed to FFh. To program the
FLASH devices directly using ICP, FLASH devices
are shipped to customers with the internal RC
clock source enabled. In masked ROM devices,
the option bytes are fixed in hardware by the ROM
code (see option list).
OPTION BYTE 0
OPT7=
WDG HALT
Watchdog and HALT mode
This option bit determines if a RESET is generated
when entering HALT mode while the Watchdog is
active.
0: No Reset generation when entering Halt mode
1: Reset generation when entering Halt mode
OPT6=
WDG SW
Hardware or software watchdog
This option bit selects the watchdog type.
0: Hardware (watchdog always enabled)
1: Software (watchdog to be enabled by software)
OPT5 =
CSS
Clock security system on/off
This option bit enables or disables the clock secu-
rity system function (CSS) which includes the
clock filter and the backup safe oscillator.
0: CSS enabled
1: CSS disabled
Caution:
The CSS function is not guaranteed. Re-
fer to
Section 15
OPT4:3=
VD[1:0]
Voltage detection
These option bits enable the voltage detection
block (LVD, and AVD) with a selected threshold for
the LVD and AVD (EVD+AVD).
Caution:
If the medium or low thresholds are se-
lected, the detection may occur outside the speci-
fied operating voltage range. Below 3.8V, device
operation is not guaranteed.
For details on the
AVD and LVD threshold levels refer to
section
12.3.2 on page 141
OPT2 = Reserved, must be kept at default value.
OPT1=
PKG0
Package selection bit 0
This option bit is used to select the package (see
table in PKG1 option bit description).
STATIC OPTION BYTE 0
7
0
STATIC OPTION BYTE
1
7
0
WDG
C
VD
R
P
F
P
R
OSCTYPE
OSCRANGE
P
H
S
1
0
1
0
2
1
0
Default
1
1
1
0
0
1
1
1
1
1
1
0
1
1
1
1
Selected Low Voltage Detector
VD1
VD0
LVD and AVD Off
1
1
0
0
1
0
1
0
Lowest Threshold: (V
DD
~3V)
Med. Threshold (V
DD
~3.5V)
Highest Threshold (V
DD
~4V)
相關(guān)PDF資料 |
PDF描述 |
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| ST72F321AR7TA | 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE |
| ST72F321AR9T6 | 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE |
| ST72F321AR9TA | 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72F321AR7T6TR | 功能描述:8位微控制器 -MCU 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST72F321AR9T3 | 制造商:STMicroelectronics 功能描述: |
| ST72F321AR9T6 | 功能描述:8位微控制器 -MCU TQFP 64 10x10x1.4 1 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST72F321AR9T6 | 制造商:STMicroelectronics 功能描述:8-BIT MICROCONTROLLER IC |
| ST72F321AR9T6TR | 功能描述:8位微控制器 -MCU 8B MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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