MSM66579L-TB 데이터 시트보기 (PDF) - Oki Electric Industry
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MSM66579L-TB Datasheet PDF : 37 Pages
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1Semiconductor
PEDL66579-03
MSM66579 Family
Function
Power
supply
Oscillation
Reset
Other
Symbol
VDD
GND
VREF
AGND
XT0
XT1
OSC0
OSC1
RES
NMI
EA
SELMBUS
Type
I
I
I
I
I
O
I
O
I
I
I
I
Description
Power supply pin
Connect all VDD pins to the power supply.*
GND pin
Connect all GND pins to GND.*
Analog reference voltage pin
Analog GND pin
Sub clock oscillation input pin
Connect to a crystal oscillator of f = 32.768 kHz.
Sub clock oscillation output pin
Connect to a crystal oscillator of f = 32.768 kHz.
The clock output is opposite in phase to XT0.
Main clock oscillation input pin
Connect to a crystal or ceramic oscillator. Or, input an external
clock.
Main clock oscillation output pin
Connect to a crystal or ceramic oscillator.
The clock output is opposite in phase to OSC0.
Leave this pin unconnected when an external clock is used.
Reset input pin
Non-maskable interrupt input pin
External program memory access input pin
If the EA pin is enabled (low level), the internal program memory is
masked and the CPU executes the program code in external
program memory through all address space.
SELMBUS = H: Address/data separate bus type
SELMBUS = L: Multiplexed bus type
* Each of the family devices has unique pattern routes for the internal power and ground. Connect the
power supply voltage to all VDD pins and the ground potential to all GND pins. If a device may have one
or more VDD or GND pins to which the power supply voltage or the ground potential is not connected, it
can not be guaranteed for normal operation.
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