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參數(shù)資料
| 型號： | MCP2510T-E/SO |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 44/80頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CAN CONTROLLER W/SPI 18-SOIC |
| 標準包裝： | 1,100 |
| 控制器類型： | CAN 接口 |
| 接口： | SPI |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 電流 - 電源： | 10mA |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 18-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 18-SOIC |
| 包裝： | 帶卷 (TR) |
| 配用： | DV251001-ND - KIT DEVELOPMENT CAN MCP2510 |
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2007 Microchip Technology Inc.
DS21291F-page 49
MCP2510
8.0
OSCILLATOR
The MCP2510 is designed to be operated with a crystal
or ceramic resonator connected to the OSC1 and
OSC2 pins. The MCP2510 oscillator design requires
the use of a parallel cut crystal. Use of a series cut crys-
tal may give a frequency out of the crystal manufactur-
ers specifications. A typical oscillator circuit is shown in
Figure 8-1. The MCP2510 may also be driven by an
external clock source connected to the OSC1 pin as
shown in Figure 8-2 and Figure 8-3.
8.1
Oscillator Startup Timer
The MCP2510 utilizes an oscillator startup timer (OST),
which holds the MCP2510 in reset, to insure that the
oscillator has stabilized before the internal state
machine begins to operate. The OST maintains reset
for the first 128 OSC1 clock cycles after power up,
RESET, or wake up from sleep mode occurs. It should
be noted that no SPI operations should be attempted
until after the OST has expired.
8.2
CLKOUT Pin
The clock out pin is provided to the system designer for
use as the main system clock or as a clock input for
other devices in the system. The CLKOUT has an inter-
nal prescaler which can divide FOSC by 1, 2, 4 and 8.
The CLKOUT function is enabled and the prescaler is
selected via the CANCNTRL register (see Register 9-
1). The CLKOUT pin will be active upon system reset
and default to the slowest speed (divide by 8) so that it
can be used as the MCU clock. When sleep mode is
requested, the MCP2510 will drive sixteen additional
clock cycles on the CLKOUT pin before entering sleep
mode. The idle state of the CLKOUT pin in sleep mode
is low. When the CLKOUT function is disabled (CAN-
CNTRL.CLKEN = ‘0’) the CLKOUT pin is in a high
impedance state.
The CLKOUT function is designed to guarantee that
thCLKOUT and tlCLKOUT timings are preserved when the
CLKOUT pin function is enabled, disabled, or the pres-
caler value is changed.
FIGURE 8-1:
CRYSTAL/CERAMIC RESONATOR OPERATION
FIGURE 8-2:
EXTERNAL CLOCK SOURCE
C1
C2
XTAL
OSC2
RS(1)
OSC1
RF(2)
SLEEP
To internal logic
Note 1:
A series resistor, RS, may be required for AT strip cut crystals.
Note 2:
The feedback resistor, RF , is typically in the range of 2 to 10 M
Ω.
Clock from
external system
OSC1
OSC2
Open
(1)
Note 1:
A resistor to ground may be used to reduce system noise. This may increase system current.
Note 2:
Duty cycle restrictions must be observed (see Table 12-2).
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| MCP2510T-I/SO | 功能描述:網(wǎng)絡控制器與處理器 IC Stand-alone CAN RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCP2510T-I/ST | 功能描述:網(wǎng)絡控制器與處理器 IC Stand-alone CAN RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCP2515 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Stand-Alone CAN Controller With SPI Interface |
| MCP2515_12 | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Stand-Alone CAN Controller with SPI Interface |
| MCP2515DM-BM | 功能描述:網(wǎng)絡開發(fā)工具 CAN Bus Monitor Demo Board RoHS:否 制造商:Rabbit Semiconductor 產品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
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