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參數(shù)資料
| 型號： | MC68HC05B16 |
| 廠商： | Motorola, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | RS-S_D(Z) Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 15V; Power: 2W; 2:1 and 4:1 Wide Input Voltage Ranges; 1kVDC, 2kVD & 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protection; Low Noise; No External Capacitor needed; Efficiency to 83% |
| 中文描述： | 高密度互補(bǔ)金屬氧化物半導(dǎo)體（HCMOS）微機(jī)組 |
| 文件頁數(shù)： | 22/96頁 |
| 文件大?。?/td> | 3045K |
| 代理商： | MC68HC05B16 |
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MC68HC05SR3
Freescale
3-3
INPUT/OUTPUT PORTS
3
3.4
PD6 — IRQ2
The port pin PD6 is configured as IRQ2 by setting the IRQ2E bit in the MCR. The external interrupt
IRQ2 behaves similar to IRQ except it is edge-triggered only.
See Section 5.2.2.2 for details on the external interrupt IRQ2.
3.5
Programmable Current Drive
All I/O ports, when programmed as outputs, can source or sink a current of 10mA for driving LEDs
directly. By setting the PIL bit in the Port Option Register (at $0A), PB5-PB7 can be programmed
to a low-current mode that source or sink only a current of 2mA when programmed as output. This
allows a direct drive to low current LEDs.
Note:
Although the ports each has high current drive capability, designs should limit the total
port currents to not more than 100mA.
Figure 3-2 Typical IOL vs VOL @VDD=5V
13
12
11
10
9
8
7
6
5
4
3
2
1
0
012
345
All ports
PB5-PB7 in low current mode
worst case
best case
typical
worst case
best case
VOL (volts)
I OL
(mA)
TPG
27
05SR3.Book Page 3 Thursday, August 4, 2005 1:08 PM
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| MC68HC05B32 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
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| MC68HC05B4_05 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC68HC05B5 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC68HC05B6 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
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