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| 型号： | EM6640SO18A |
| 英文描述： | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 8-SOIC |
| 中文描述： | 微控制器 |
| 文件页数： | 7/62页 |
| 文件大小： | 620K |
| 代理商： | EM6640SO18A |
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EM6640
03/02 REV. C/446
Copyright
2002, EM Microelectronic-Marin SA
15
www.emmicroelectronic.com
6. Input and Output ports
The EM6640 has:
- one 4-bit input port ( PortA )
- two 4-bit input/output ports. ( PortB & PortC )
6.1 Ports overview
Table 6.1.1 Input and Output ports overview
Port Mode
Mask(M:) or Register(R:)
option
Function
Bitwise Multi Function on Ports
PA
[3:0]
Input
M: Pull-up
M: Pull-down (default)
R: Pull(up/down) select
R: Debounced or direct
input for IRQ request
and Counter
R: + or - for IRQ-edge
and Counter
R: Input reset
combination
-Input
-Bitwise Interrupt request
-PA[3],PA[0] input for the
Event Counter
-Software Test Variable
conditional jump
-PortA Reset inputs
-SWB external input clock
PA[3]
IRQPA3
10 bit
Event
Counter
clock
PA[2]
IRQPA2
-
PA[1]
IRQPA1
-
Test
Var2
PA[0]
IRQPA0
10 bit
Event
Counter
clock
Test
Var1
SWB
CkExt
PB
[3:0]
bitwise
input or
output
R: CMOS or
Nch open drain output
R: Pull-Down on input
R: Pull-Up on input
-Input or Output
-PB[3] for the PWM
output
-PB[2:0] for the ck[20,16,
12] output
-Tristatable in sleep mode
PB[3]
PWM
output
PB[2]
ck[12]
output
PB[1]
ck[16]
output
PB[0]
ck[20]
output
PC
[3:0]
bitwise
input or
output
R: CMOS or
Nch open drain output
R: Pull-Down on input
R: Pull-Up on input
-Input or Output
-PC[1:0] for the SWB
-Tristatable in sleep mode
PC[3]
PC[2]
PC[1]
SWB
Data
out
PC[0]
SWB
Clock
out
相关PDF资料 |
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| EM6640SO18B | Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 10-DFN |
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相关代理商/技术参数 |
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|---|---|
| EM6640SO18B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| EM6640TP16A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| EM6640TP16B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Microcontroller |
| EM6640WP11 | 制造商:EMMICRO 制造商全称:EM Microelectronic - MARIN SA 功能描述:Low Power Microcontroller with EEPROM AND RC Oscillator |
| EM6640WP27 | 制造商:EMMICRO 制造商全称:EM Microelectronic - MARIN SA 功能描述:Low Power Microcontroller with EEPROM AND RC Oscillator |
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