EM78P157NBM Ver la hoja de datos (PDF) - ELAN Microelectronics
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componentes Descripción
Fabricante
EM78P157NBM Datasheet PDF : 56 Pages
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EM78P157N
8-Bit Microcontroller with OTP ROM
Programmable free running watchdog timer
8 programmable pull-high pins
7 programmable pull-down pins
8 programmable open-drain pins
2 programmable R-option pins
Package types:
• 14 pin DIP 300mil : EM78P157NBP
• 14 pin SOP 150mil : EM78P157NBM
• 18 pin DIP 300mil : EM78P157NAP
• 18 pin SOP 300mil : EM78P157NAM
• 20 pin SSOP 209mil : EM78P157NAAS
• 20 pin SSOP 209mil : EM78P157NAKM
99.9% single instruction cycle commands
The transient point of system frequency between HXT and LXT is around 400KHz
3 Pin Assignments and Descriptions
3.1 Pin Assignments
P52 1
P53 2
TCC 3
/RESET 4
Vss 5
P60/INT
6
P61 7
P52 1
P53 2
14
P51
TCC 3
13
P50
/RESET 4
12
OSCI
Vss 5
11 OSCO P60/INT 6
10
VDD
P61 7
9
P67
8
P66
P62 8
P63 9
18 P51
17 P50
16 OSCI
15 OSCO
14 VDD
13 P67
12 P66
11 P65
10 P64
NC 1
P52 2
P53 3
TCC 4
/RESET 5
Vss 6
P60/INT 7
P61 8
P62 9
P63 10
20 NC
19 P51
18 P50
P52 1
P53 2
TCC 3
17 OSCI
/RESET 4
16 OSCO
Vss 5
15 VDD
Vss 6
14 P67
P60/INT 7
13 P66
P61 8
12 P65
P62 9
11 P64
P63 10
20 P51
19 P50
18 OSCI
17 OSCO
16 VDD
15 VDD
14 P67
13 P66
12 P65
11 P64
Fig. 1-1 Pin Assignments
2•
Product Specification (V1.0) 09.22.2005
(This specification is subject to change without further notice)
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