MC145572 Datasheet, PDF (218/264 Pages) Freescale Semiconductor, Inc – ISDN U-INTERFACE TRANSCEIVER

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Freescale Semiconductor, Inc.
AUTOMATIC SCALE UP COUNTER LOGIC EQUATIONS
These equations shift the position of the 8–bit data window to the left when changes are detected
in the most significant data bit.
TITLE
AUTO_SCALE_UP ; U5 IN THE SCHEMATIC
REVISION
VER_1.0
COMPANY
MOTOROLA
SCALE_UP
PAL16R6
;PINS
;1
2
3
4
5
6
7
8
9
10
CLK LESS WQ4 SQ6 SQ7 NC
NC
NC
NC
GND
;PINS
;11 12
13
14
15
16
17
18
19
20
NC
/UP /QUP /Q4 /Q3 /Q2 /Q1 /Q0 /CPU VCC
STRING RESET1 ’ SQ6 * /SQ7 * WQ4 * /LESS * /QUP ’
STRING RESET2 ’ /SQ6 * SQ7 * WQ4 * /LESS * /QUP ’
EQUATIONS
UP
= SQ6 * SQ7 * WQ4 * /LESS * /QUP
+ /SQ6 * /SQ7 * WQ4 * /LESS * /QUP
QUP : = WQ4 * /LESS
+ WQ4 * QUP
CPU = UP * /Q0 * /Q1 * /Q2 * /Q3 * /Q4
Q0 : = /Q0 * UP
+ Q0 * /UP
+ RESET1 + RESET2
Q1 : = /Q0 * /Q1 * UP
+ Q0 * Q1
+ Q1 * /UP
+ RESET1 + RESET2
Q2 : = /Q0 * /Q1 * /Q2 * UP
+ Q0 * Q2
+ Q1 * Q2
+ Q2 * /UP
+ RESET1 + RESET2
Q3 : = /Q0 * /Q1 * /Q2 * /Q3 * UP
+ Q0 * Q3
+ Q1 * Q3
+ Q2 * Q3
+ Q3 * /UP
+ RESET1 + RESET2
Q4 : = /Q0 * /Q1 * /Q2 * /Q3 * /Q4 * UP
+ Q0 * Q4
+ Q1 * Q4
+ Q2 * Q4
+ Q3 * Q4
+ Q4 * /UP
+ RESET1 + RESET2
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For More InforMmCa1t4io55n7O2 n This Product,
MOTOROLA
Go to: www.freescale.com