em78f644n ELAN Microelectronics Corp, em78f644n Datasheet - Page 6

• Manufacturer Part Number: em78f644n
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

(1) 24-Pin SKDIP/SOP
8-Bit Microcontroller
3
2 •
EM78F644N
P81/CIN2+
P52/RX/SI
P82/CIN2-
P53/SCK
P77/TCC
P80/CO2
P60//INT
/RESET
Pin Assignment
VSS
P61
P62
P63
Fig. 3-1 24-pin EM78F644N
10
11
12
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
24
23
22
21
14
13
P55/OSCO/ERCin
P54/OSCI/RCOUT
P50//SS
VDD
P67
P64
P57/TC3/PDO
P66
P65
P75/PWMA
P76/PWMB
P51/TX/SO
(2) 28-Pin SKDIP/SOP
(This specification is subject to change without further notice)
P81/CIN2+
P82/CIN2-
P52/RX/SI
P53/SCK
P77/TCC
P56/TC2
P80/CO2
P60//INT
/RESET
VSS
P72
P61
P62
P63
Product Specification (V0.1) 05.12.2008
Fig. 3-2 28-pin EM78F644N
10
11
12
13
14
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
28
27
26
25
24
23
22
21
P50//SS
P55/OSCO/ERCin
P54/OSCI/RCOUT
VDD
P67
P64
P57/TC3/PDO
P66
P65
P75/PWMA
P76/PWMB
P73
P74/TC1
P51/TX/SO