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| 型號(hào)： | MC68LC302PU16VCT |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASITC, LQFP-100 |
| 文件頁(yè)數(shù)： | 69/128頁(yè) |
| 文件大?。?/td> | 641K |
| 代理商： | MC68LC302PU16VCT |
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ETHERNET Controller
4-6
MC68EN302 REFERENCE MANUAL
MOTOROLA
4.1.4 INTERRUPT VECTOR REGISTER (IVEC)
The IVEC register controls the interrupt vector generated by the Ethernet controller during
an interrupt acknowledge cycle. This register can only be written when the ETHER_EN bit
in the ECNTRL register is cleared. This register is reset to $000F.
15–8—Reserved.
Should be written to zero by the host processor. These bits are always read as zero.
VG—Vector Granularity.
0 = The interrupt vector is not modified to reflect the cause of the interrupt.
1 = The interrupt vector is modified to indicate the cause of the interrupt, replacing the
lower two bits of the interrupt vector according to the following table:
If multiple interrupt sources are present simultaneously and VG = 1, the INV bits will be set
based on the following priority (highest ot lowest);
1. Time critical interrupt.
2. Receive interrupt
3. Transmit interrupt
4. Non-time critical interrupt.
For example, if both RXB and TFINT interrupts are asserted, INV1–INV0 will equal 00.
Interrupt Vector1–0 represent the values of the two lower bits placed on the data bus during
an interrupt acknowledge cycle. VG is cleared by reset.
INV7–0—Interrupt Vector.
INV is the eight bit vector that the Ethernet controller places on the low byte of the data bus
during an interrupt acknowledge cycle.
4.1.5 INTERRUPT EVENT REGISTER (INTR_EVENT)
When an event occurs that sets a bit in the Interrupt Event Register, and the corresponding
bit in the interrupt mask register (INTR_MASK) is set, an interrupt will be generated. To clear
15
14
13
12
11
10
9876543210
00000000
INV<7:0>
INTERRUPT VECTOR1–0
CAUSE
EXAMPLES
00
Receive Interrupt
RFINT, RXB
01
Transmit Interrupt
TFINT, TXB
10
Non-Time Critical Interrupt
HBERR, BABR, BABT, GRA, BOD, EBERR
11
Time Critical Interrupt
BSY
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68LC302PU20CT | 功能描述:微處理器 - MPU 20MHz 2MIPS RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MC68LC302PU20VCT | 功能描述:IC MPU NETWORK 20MHZ 100-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:M683xx 標(biāo)準(zhǔn)包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點(diǎn):- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應(yīng)商設(shè)備封裝:357-PBGA（25x25） 包裝:托盤 |
| MC68LC302PU25CT | 功能描述:微處理器 - MPU 25MHz 2.5MIPS RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MC68LK332ACAG16 | 功能描述:32位微控制器 - MCU 32BIT MCU 2KRAM TPU QSM RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT |
| MC68LK332ACAG16 | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
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