em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 22
em78f644nso28s
Manufacturer Part Number
em78f644nso28s
Description
Flash Series 8-bit Microcontroller
Manufacturer
ELAN Microelectronics Corp
Datasheet
1.EM78F644NSO28S.pdf
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EM78F648/644/642/641/548/544/542/541N
8-Bit Microcontroller
Legend: ST: Schmitt Trigger input, AN: analog pin, CMOS: CMOS output,
5
12 •
P82/CIN2-
(CLK)
P83/RESET
(/RESET)
VDD
VSS
Name
Block Diagram
XTAL: oscillation pin for crystal/ resonator
(Continuation)
Function
(/RESET)
/RESET
(CLK)
CIN2-
VDD
VSS
P82
P83
Input
power
power
Type
AN
ST
ST
ST
ST
ST
Figure 5-1 Functional Block Diagram
Output
CMOS
CMOS
Type
Bidirectional I/O pin
Inverting end of comparator2
CLOCK pin for Writer programming
Bidirectional I/O pin
Internal pull-high reset pin
/RESET pin for Writer programming
Power
Ground
(This specification is subject to change without further notice)
Product Specification (V1.0) 05.05.2010
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