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EM78P257AP датащи(PDF) 45 Page - ELAN Microelectronics Corp

номер детали EM78P257AP
подробное описание детали  8-BIT MICROCONTROLLER
PDF  91 Pages
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производитель  EMC [ELAN Microelectronics Corp]
домашняя страница  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM78P257AP датащи(HTML) 45 Page - ELAN Microelectronics Corp

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EM78P257
OTP ROM
This specification is subject to change without prior notice.
07.27.2004 (V1.4)
45
CIN4 -
CIN2 -
(Normal I/O)
C1
C2
C3
C4
CIN1+
CIN1 -
CIN2+
CIN3+
CIN4+
CO1
CO2
CO3
CO4
CIN3 -
(Normal I/O)
+
-
+
-
+
-
+
-
2. Comparator Outputs
• The compared result are stored in the CMPOUT of R9
• The comparator outputs can output to P51, P52, P63 and P64 by programming Bits 4, 5, 6, and 7
<IOC90> of the CMP control register to 1
• P52, P51, P63 and P64 must be configured as output if implemented
• Fig. 17 shows the comparator output block diagram.
Q
Q
EN
EN
D
D
To C0
To
CMPXIF
To CMPOUT
COIEX
COIEX
CMPXIE
RESET
From OP I/O
CEX
Fig. 17 The Output Configuration of a Comparator
3. Programming the Related Registers



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