em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 16

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

EM78F648/644/642/641/548/544/542/541N
8-Bit Microcontroller
6 •
P55/OSCO/ERCin
P56/TC2
P57/TC3/PDO
P60//INT
P61~P67
P70/CO1
P71/CIN1+
P72/CIN1-
P73
P74/TC1
P75/PWMA
P76/PWMB
P54/OSCI/RCOUT
Name
(Continuation)
Function
P61~P67
RCOUT
PWMA
PWMB
OSCO
ERCin
CIN1+
CIN1-
OSCI
PDO
CO1
TC2
TC3
/INT
TC1
P54
P55
P56
P57
P60
P70
P71
P72
P73
P74
P75
P76
Input
Type
XTAL
AN
ST
ST
ST
AN
AN
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
Output
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
CMOS
Type
XTAL
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Clock input of crystal/ resonator oscillator
Clock output of internal RC oscillator
Clock output of external RC oscillator(open-drain)
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Clock output of crystal/ resonator oscillator
External RC input pin
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Timer2 clock input
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Timer3 clock input
Programmable divider output
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink, high drive and pin change wakeup.
external interrupt pin
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink, high drive and pin change wakeup.
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Output of comparator1
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Non-inverting end of comparator1
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Inverting end of comparator1
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
Timer1 clock input
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
PWMA output
Bidirectional I/O pin with programmable pull-down, open-
drain, pull-high, high sink and high drive.
PWMB output
(This specification is subject to change without further notice)
Product Specification (V1.0) 05.05.2010
Description