em78p257 ELAN Microelectronics Corp, em78p257 Datasheet - Page 6

• Manufacturer Part Number: em78p257
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

3. PIN ASSIGNMENT
This specification is subject to change without prior notice.
P61/CIN3-/TCC1
P61/CIN3-/TCC1
P54/CIN2-/TCC
P54/CIN2-/TCC
P71//RESET
P71//RESET
P53/CIN2+
P62/CIN3+
P53/CIN2+
P62/CIN3+
P63/CO3
P63/CO3
P52/CO2
P52/CO2
P60//INT
P60//INT
Fig. 1 Pin Assignment - EM78P257AP/AM/AKM
Vss
Vss
Vss
10
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
9
6
19
15
14
13
12
15
14
13
12
20
18
17
16
11
18
17
16
11
10
P50/CIN1+/TCC4
P70/OSCO
VDD
VDD
P70/OSCO
VDD
P51/CO1/TCC3
P50/CIN1+/TCC4
P55/CIN1-/OSCI
P65/CIN4+
P51/CO1/TCC3
P55/CIN1-/OSCI
P65/CIN4+
P64/CO4
P66/CIN4-/TCC2
P64/CO4
P67/IR OUT
P66/CIN4-/TCC2
P67/IR OUT
EM78P257
07.27.2004 (V1.4)
OTP ROM