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參數(shù)資料
| 型號(hào)： | ST7DALI |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | ADC |
| 英文描述： | 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI, DALI |
| 中文描述： | 8位單電壓閃存存儲(chǔ)器，數(shù)據(jù)EEPROM，模數(shù)轉(zhuǎn)換器，定時(shí)器，SPI和大理微控制器 |
| 文件頁(yè)數(shù)： | 130/141頁(yè) |
| 文件大?。?/td> | 2175K |
| 代理商： | ST7DALI |
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ST7DALI
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15 DEVICE CONFIGURATION
Each device is available for production in user pro-
grammable versions (FLASH)as well as in factory
coded versions (FASTROM).
ST7FDALI
devices
are
ST7PDALI devices are Factory Advanced Service
Technique ROM (FASTROM) versions: they are
factory programmed FLASH devices.
FLASH
versions.
ST7FDALI devices are shipped to customers with
a default program memory content (FFh), while
FASTROM 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 FASTROM devices
are factory configured.
15.1 OPTION BYTES
The two option bytes allow the hardware configu-
ration of the microcontroller to be selected.
The option bytes can be accessed only in pro-
gramming mode (for example using a standard
ST7 programming tool).
OPTION BYTE 0
OPT7 = Reserved, must always be 1.
OPT6:4 =
OSCRANGE[2:0]
Oscillator range
When the internal RC oscillator is not selected
(Option OSC=1), these option bits select the range
of the resonator oscillator current source or the ex-
ternal clock source.
Note: When the internal RC oscillator is selected,
the OSCRANGE option bits must be kept at their
default value in order to select the 256 clock cycle
delay (see
Section 7.5
).
OPT3:2 =
SEC[1:0]
Sector 0 size definition
These option bits indicate the size of sector 0 ac-
cording to the following table.
OPT1 =
FMP_R
Read-out protection
Readout protection, when selected provides a pro-
tection against program memory content extrac-
tion and against write access to Flash memory.
Erasing the option bytes when the FMP_R option
is selected will cause the whole memory to be
erased first and the device can be reprogrammed.
Refer to the ST7 Flash Programming Reference
Manual and
section 4.5 on page 14
for more de-
tails
0: Read-out protection off
1: Read-out protection on
OPT0 =
FMP_W
FLASH write protection
This option indicates if the FLASH program mem-
ory is write protected.
Warning:
When this option is selected, the pro-
gram memory (and the option bit itself) can never
be erased or programmed again.
0: Write protection off
1: Write protection on
OSCRANGE
2
1
0
Typ.
frequency
range with
Resonator
LP
1~2MHz
0
0
0
MP
2~4MHz
0
0
1
MS
4~8MHz
0
1
0
HS
8~16MHz
0
1
1
VLP 32.768kHz
1
0
0
External
Clock source:
CLKIN
on OSC1
1
0
1
on PB4
1
1
1
Reserved
1
1
0
Sector 0 Size
SEC1
SEC0
0.5k
0
0
1k
0
1
2k
1
0
4k
1
1
OPTION BYTE 0
7
0
OPTION BYTE 1
7
0
Res.
OSCRANGE
2:0
SEC1 SEC0FR
FMP
W
PLL
x4x8
PLL
PLL32
OFF
OSC LVD1 LVD0SW
WDG
HALT
Default
Value
1
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
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