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參數(shù)資料
| 型號： | ST72321BM |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 80-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE(具有ICP,IAP,Nested Interrupt,TLI,ROP的8位MCU) |
| 中文描述： | 80引腳8位微控制器32至60,000閃存/ ROM，ADC的，5個定時器，SPI和SCI的I2C接口（具有比較方案，國際檢察官聯(lián)合會，嵌套中斷，中華語文研習(xí)所，人事登記的8位微控制器） |
| 文件頁數(shù)： | 170/178頁 |
| 文件大?。?/td> | 3121K |
| 代理商： | ST72321BM |
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ST72F321M, ST72321BM
170/178
ST72521 DEVICE CONFIGURATION AND ORDERING INFORMATION
(Cont’d)
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).
OPT0=
FMP_R
Flash memory read-out protection
Read-out protection, when selected, provides a
protection against Program Memory content ex-
traction and against write access to Flash memo-
ry.
Erasing the option bytes when the FMP_R option
is selected causes the whole user memory to be
erased first, and the device can be reprogrammed.
Refer to the ST7 Flash Programming Reference
Manual for more details.
Note:
Readout protection is not supported if LVD
is enabled.
0: Read-out protection enabled
1: Read-out protection disabled
OPTION BYTE 1
OPT7=
PKG1
Package selection bit 1
This option bit, with the PKG0 bit, selects the pack-
age.
Note:
On the chip, each I/O port has 8 pads. Pads
that are not bonded to external pins are in input
pull-up configuration after reset. The configuration
of these pads must be kept at reset state to avoid
added current consumption.
OPT6 =
RSTC
RESET clock cycle selection
This option bit selects the number of CPU cycles
applied during the RESET phase and when exiting
HALT mode. For resonator oscillators, it is advised
to select 4096 due to the long crystal stabilization
time.
0: Reset phase with 4096 CPU cycles
1: Reset phase with 256 CPU cycles
OPT5:4 =
OSCTYPE[1:0]
Oscillator Type
These option bits select the ST7 main clock
source type.
OPT3:1 =
OSCRANGE[2:0]
Oscillator range
When the resonator oscillator type is selected,
these option bits select the resonator oscillator
current source corresponding to the frequency
range of the used resonator. Otherwise, these bits
are used to select the normal operating frequency
range.
OPT0 =
PLLOFF
PLL activation
This option bit activates the PLL which allows mul-
tiplication by two of the main input clock frequency.
The PLL must not be used with the internal RC os-
cillator or with external clock source. The PLL is
guaranteed only with an input frequency between
2 and 4MHz.
0: PLL x2 enabled
1: PLL x2 disabled
CAUTION
: the PLL can be enabled only if the
“OSC RANGE” (OPT3:1) bits are configured to
“MP - 2~4MHz”. Otherwise, the device functionali-
ty is not guaranteed.
Version
Selected Package
PKG 1 PKG 0
M
LQFP80
1
1
Clock Source
OSCTYPE
1
0
Resonator Oscillator
0
0
Reserved
0
1
Internal RC Oscillator
1
0
External Source
1
1
Typ. Freq. Range
OSCRANGE
2
1
0
LP
1~2MHz
0
0
0
MP
2~4MHz
0
0
1
MS
4~8MHz
0
1
0
HS
8~16MHz
0
1
1
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| ST72321BR6-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321BR7-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321BR9-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321BXXX-AUTO | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface |
| ST72321J | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, 5 TIMERS, SPI, SCI, I2C INTERFACE |
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