EM78811 Просмотр технического описания (PDF) - ELAN Microelectronics
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Компоненты Описание
производитель
EM78811 Datasheet PDF : 33 Pages
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APPLICATION
1. adjunct units
2. answering machines
3. feature phones
PIN ASSIGNMENTS
EM78811
8-BIT MICRO-CONTROLLER FOR TELECOM PRODUCT
AVSS
1
DTMF
2
PLLC
3
RINGTIME
4
RDET1
5
RING
6
TIP
7
NC
8
XIN
9
XOUT 10
AVDD 11
SEG0 12
SEG1 13
SEG2 14
SEG3 15
SEG4 16
SEG5 17
SEG6 18
SEG7 19
SEG8 20
SEG9 21
SEG10 22
SEG11 23
SEG12 24
SEG13 25
SEG14 26
SEG15 27
SEG16 28
VDD2 29
SEG17 30
EM78811
80 SEG41
79 SEG40
78 SEG39
77 SEG38
76 SEG37
75 SEG36
74 RESET
73 P7.7
72 P7.6
71 P7.5
70 P7.4
69 P7.3/INT3
68 P7.2/INT2
67 P7.1/INT1
66 P7.0/INT0
65 COM15/P6.7
64 COM14/P6.6
63 COM13/P6.5
62 COM12/P6.4
61 COM11/P6.3
60 COM10/P6.2
59 COM9/P6.1
58 COM8/P6.0
57 COM7
56 COM6
55 COM5
54 COM4
53 COM3
52 VSS2
51 COM2
FUNCTIONAL BLOCK DIAGRAM
CPU
CLK
TIMING
CONTROL
TIMER
FSK
INPUT
FSK
DEMODULATOR
DTMF
* This specification are subject to be changed without notice.
ROM
RAM
I/O PORT
INPUT PORT
LCD
LATCH
& DRIVER
I/O PORT
INPUT PORT
LCD
OUTPUT
10.12.1998 2
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