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參數(shù)資料
| 型號(hào)： | MAX2986 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Integrated Powerline Digital Transceiver |
| 中文描述： | 集成電力線數(shù)字收發(fā)器 |
| 文件頁數(shù)： | 22/28頁 |
| 文件大小： | 349K |
| 代理商： | MAX2986 |
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M
Integrated Powerline Digital Transceiver
22
______________________________________________________________________________________
according to Table 18. Pullup/pulldown resistors for LEDs
are 1k
or less.
The states of GPIO pins and initialization pins during
the boot process are shown in Table 17. See the
Pin
Description
for more information.
Clocks and Reset
The MAX2986 has a built-in oscillator that requires an
external crystal. Use a 30MHz crystal with stability of
±
25ppm max over operating temperature. All other nec-
essary clocks are generated internally by means of two
integrated PLLs. Figure 24 illustrates how to connect a
crystal to the MAX2986. If the external clock oscillator is
used, leave XOUT unconnected as shown in Figure 25.
Since the reset signal
RESET
is used in PLL modules, it
must be activated after the PLL clock generation delay,
which is about 0.5ms.
GPIO Pin Usage
The MAX2986 firmware makes special use of GPIO
pins as described in Table 19. GPIO pins are utilized in
input, output, or both directions.
Table 18. Boot Error Codes
LED2_BP2
0
0
0
1
1
1
1
0
LED1_BP1
0
1
1
0
0
1
1
0
LED0_BP0
1
0
1
0
1
0
1
0
BOOT STATUS
The flash does not contain a valid image.
The size of the image is more than 128kB.
The base address of the image is out of the allowed range.
Checksum error.
No flash is available.
Invalid boot mode.
No error.
Table 17. Boot Modes
BOOT/FT PINS
GPIO[21]
BOOT MODE
FLASH TYPE
GPIO[23]
GPIO[22]
GPIO[8]
GPIO[10]
Flash type is SPI
(AT45DB)
0
1
0
PU
PU
Flash type is SPI
(SST25VF)
1
1
0
PU
PU
Encrypted
image
downloaded
from flash
Flash type is I
2
C
X
1
0
PD
PU
Code
downloaded
through UART
X
0
0
0
X
PU*
X = Don’t care.
*
PU: If pin GPIO[10] is pulled down instead of pulled up, it indicates that there is no flash device connected to the chip. If this is the
case and if LED0_BP0 = LED1_BP1 = 0, then the GPIO[8] line must be pulled up.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2986CXE | 制造商:Maxim Integrated Products 功能描述:PLDC (HOMEPLUG 1.0) BASEBAND W/O MAC - Rail/Tube |
| MAX2986CXE+ | 制造商:Maxim Integrated Products 功能描述:PLDC (HOMEPLUG 1.0) BASEBAND W/O MAC - Rail/Tube |
| MAX2986CXE+D | 功能描述:電信線路管理 IC Integrated Powerline Digital Transceiver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| MAX2986CXE+T | 制造商:Maxim Integrated Products 功能描述:PLDC (HOMEPLUG 1.0) BASEBAND W/O MAC - Tape and Reel |
| MAX2986CXE-D | 功能描述:電信線路管理 IC PLDC (HOMEPLUG 1.0) BASEBAND W/O MAC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
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