em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 19

• Manufacturer Part Number: em78f644nso28s
• Description: Flash Series 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

Legend: ST: Schmitt Trigger input, AN: analog pin, CMOS: CMOS output,
Product Specification (V1.0) 05.05.2010
(This specification is subject to change without further notice)
P72 ~ P73
P74/TC1
P75/PWMA
P76/PWMB
P77/TCC
P80/CO2
P81/CIN2+
P82/CIN2-
/RESET
(/RESET)
VDD
VSS
Name
XTAL: oscillation pin for crystal/ resonator
(Continuation)
Function
(/RESET)
P72~P73
/RESET
PWMA
PWMB
CIN2+
CIN2-
VDD
TCC
CO2
VSS
TC1
P74
P75
P76
P77
P80
P81
P82
Input
power
power
Type
AN
AN
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
Output
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Type
EM78F648/644/642/641/548/544/542/541N
Bidirectional I/O pin with programmable pull-down and
pull-high.
Bidirectional I/O pin with programmable pull-down and
pull-high.
Timer1 clock input
Bidirectional I/O pin with programmable pull-down and
pull-high.
PWMA output
Bidirectional I/O pin with programmable pull-down and
pull-high.
PWMB output
Bidirectional I/O pin with programmable pull-down and
pull-high.
Real Time Clock/Counter clock input
Bidirectional I/O pin
Bidirectional I/O pin with programmable pull-down and
pull-high.
Bidirectional I/O pin
Non-Inverting end of Comparator 2
Bidirectional I/O pin
Inverting end of comparator2
Internal pull-high reset pin
/RESET pin for Writer programming
Power
Ground
Description
8-Bit Microcontroller
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