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| 型號(hào)： | ST72C104G2B7 |
| 英文描述： | 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY. ADC. 16-BIT TIMERS. SPI. |
| 中文描述： | 8位單電壓閃存微控制器。 ADC的。 16位定時(shí)器。的SPI。 |
| 文件頁(yè)數(shù)： | 39/140頁(yè) |
| 文件大?。?/td> | 1349K |
| 代理商： | ST72C104G2B7 |
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ST72104G, ST72215G, ST72216G, ST72254G
133/140
16 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). FLASH devices are
shipped to customers with a default content (FFh),
while ROM factory coded parts contain the code
supplied by the customer. This implies that FLASH
devices have to be configured by the customer us-
ing the Option Bytes while the ROM devices are
factory-configured.
16.1 OPTION BYTES
The two option bytes allow the hardware configu-
ration of the microcontroller to be selected.
The option bytes have no address in the memory
map and can be accessed only in programming
mode (for example using a standard ST7 program-
ming tool). The default content of the FLASH is
fixed to FFh.
In masked ROM devices, the option bytes are
fixed in hardware by the ROM code (see option
list).
USER OPTION BYTE 0
Bit 7:2 = Reserved, must always be 1.
Bit 1 = EXTIT
External Interrupt Configuration.
This option bit allows the external interrupt map-
ping to be configured as shown in Table 24.
Table 24. External Interrupt Configuration
Bit 0 = FMP
Full memory protection.
This option bit enables or disables external access
to the internal program memory (read-out protec-
tion). Clearing this bit causes the erasing (to 00h)
of the whole memory (including the option byte).
0: Program memory not read-out protected
1: Program memory read-out protected
USER OPTION BYTE 1
Bit 7 = CFC
Clock filter control on/off
This option bit enables or disables the clock filter
(CF) features.
0: Clock filter enabled
1: Clock filter disabled
Bit 6:4 = OSC[2:0]
Oscillator selection
These three option bits can be used to select the
main oscillator as shown in Table 25.
Bit 3:2 = LVD[1:0]
Low voltage detection selection
These option bits enable the LVD block with a se-
lected threshold as shown in Table 26.
Bit 1 = 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
Bit 0 = 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)
Table 25. Main Oscillator Configuration
Table 26. LVD Threshold Configuration
External IT0
External IT1
EXTIT
Ports PA7-PA0
Ports PB7-PB0
Ports PC5-PC0
1
Ports PA7-PA0
Ports PC5-PC0
Ports PB7-PB0
0
Selected Oscillator
OSC2 OSC1 OSC0
External Clock (Stand-by)
11
1
~4 MHz Internal RC
11
0
1~14 MHz External RC
10
X
Low Power Resonator (LP)
01
1
Medium Power Resonator (MP)
01
0
Medium Speed Resonator (MS)
00
1
High Speed Resonator (HS)
00
0
Configuration
LVD1 LVD0
LVD Off
11
Highest Voltage Threshold (
4.50V)
10
Medium Voltage Threshold (
4.05V)
01
Lowest Voltage Threshold (
3.45V)
00
USER OPTION BYTE 0
70
USER OPTION BYTE 1
70
Reserved
EXTIT FMP
CFC
OSC
2
OSC
1
OSC
0
LVD1 LVD0
WDG
HALT
WDG
SW
Default
Value
1111
11
1
0111
01111
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ST72C104G2M6 | 功能描述:8位微控制器 -MCU Flash 8K SPI 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 |
| ST72C124J2B6 | 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI 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 |
| ST72C124J2T6 | 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI 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 |
| ST72C124J4T6 | 制造商:STMicroelectronics 功能描述: |
| ST72C171K2B6 | 功能描述:8位微控制器 -MCU Flash 8K SPI/SCI 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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