參數(shù)資料
型號(hào): M38851FB-HP
廠商: Renesas Technology Corp.
英文描述: Single 2.7-V High-Slew-Rate Rail-to-Rail Output Operational Amplifier With Shutdown 8-SOIC -40 to 125
中文描述: 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù): 22/103頁(yè)
文件大小: 1580K
代理商: M38851FB-HP
3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
24
Fig. 18 Connection example when using key input interrupt and port P3 block diagram
Port P30
latch
Port P30
direction register = “0”
Port P31
latch
Port P31
direction register = “0”
Port P32
latch
Port P32
direction register = “0”
Port P33
latch
Port P33
direction register = “0”
Port P34
latch
Port P34
direction register = “1”
Port P35
latch
Port P35
direction register = “1”
Port P36
latch
Port P36
direction register = “1”
Port P37
latch
Port P37
direction register = “1”
P30 input
P31 input
P32 input
P33 input
P34 output
P35 output
P36 output
P37 output
Port control register 1
Bit 5 = “0”
Port P3 input circuit
Comparator circuit
Port PXx
“L” level output
P-channel transistor for pull-up
CMOS output buffer
Key input interrupt request
Port control register 1
Bit 4 = “1”
Key Input Interrupt (Key-on Wake Up)
A Key input interrupt request is generated by applying “L” level to
any pin of port P3 that have been set to input mode. In other
words, it is generated when the logical AND of all port P3 input
goes from “1” to “0”. An example of using a key input interrupt is
shown in Figure 18, where an interrupt request is generated by
pressing one of the keys consisted as an active-low key matrix
which inputs to ports P30–P33.
相關(guān)PDF資料
PDF描述
M38851M1-XXXHP Single 2.7-V High-Slew-Rate Rail-to-Rail Output Operational Amplifier With Shutdown 8-SOIC -40 to 125
M38851M2-XXXHP Dual 2.7-V High Slew Rate Rail-To-Rail Output Operational Amplifier 8-SOIC 0 to 70
M38851M3-XXXHP Dual 2.7-V High Slew Rate Rail-To-Rail Output Operational Amplifier 8-SOIC 0 to 70
M38851M4-XXXHP Dual 2.7-V High Slew Rate Rail-To-Rail Output Operational Amplifier 8-MSOP 0 to 70
M38851M8-XXXHP Dual 2.7-V High Slew Rate Rail-To-Rail Output Operational Amplifier 8-MSOP 0 to 70
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