MC145572APB Freescale Semiconductor, MC145572APB Datasheet - Page 219

• Manufacturer Part Number: MC145572APB
• Description: IC ISDN INTERFACE TXCVER 44-LQFP
• Manufacturer: Freescale Semiconductor
• Type: Transceiverr

Specifications of MC145572APB

• Protocol: RS232
• Voltage - Supply: 5V
• Mounting Type: Surface Mount
• Package / Case: 44-LQFP
• Number Of Line Interfaces: 1
• Control Interface: HDLC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Drivers/receivers: -
• Lead Free Status / Rohs Status: Not Compliant

MOTOROLA
D.5
AUTOMATIC SCALE DOWN COUNTER LOGIC EQUATIONS
These equations shift the position of the 8–bit data window to the right when changes are not detected
in the most significant data bits.
TITLE
REVISION
COMPANY
CHIP
;PINS
;1
CLK
;PINS
;13
/CPU
STRING
EQUATIONS
2
LESS
14
B0
DN
QDN
CPD
Q0
Q1
Q2
B0
B1
B2
B3
: =
: = /Q0 *
: = /Q0 * /Q1 * DN
: = /Q0 * /Q1 * /Q2 * DN
: =
: =
: =
:=
AUTO_SCALE_DOWN
VER_1.0
MOTOROLA
SCALE_DOWN
3
WQ4
15
B1
RESET1
RESET2
= /SQ6 *
+
+ /LESS * WQ4
+
=
+
+
+
+
+
+
+
+
+
+ /MAN *
+ /MAN *
+ /MAN * /CPU * /CPD * B0
+ /MAN *
+ /MAN *
+ /MAN * /CPU * /CPD *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN * /CPU * /CPD *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN * /CPU * /CPD *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN *
+ /MAN *
Freescale Semiconductor, Inc.
MAN *
For More Information On This Product,
SQ6 * /SQ7 * LESS * WQ4 * /QDN
DN
QDN
DN * /Q0 * /Q1 * /Q2
Q0 * /DN
RESET1 + RESET2
Q0 *
Q1 * /DN
RESET1 + RESET2
Q0 *
Q1 *
Q2 * /DN
RESET1 + RESET2
MAN * S0
MAN *
MAN *
4
SQ6
16
B2
’ /SQ6 *
’
* WQ4
DN
Q1
Q2
Q2
S3
S2
SQ7 * LESS * WQ4 * /QDN
CPU * /B0
CPD * /B0
S1
CPU *
CPD * /B0
CPU * /B0
CPD *
CPU *
CPD * /B0
CPU * /B0
CPU * /B1
CPD *
CPD *
CPU *
CPD * /B0
CPU * /B0
CPU * /B1
CPU * /B2
CPD *
CPD *
CPD *
Go to: www.freescale.com
SQ6 * /SQ7 * /LESS * WQ4 * /QDN ’
PAL22V10
5
SQ7
17
B3
MC145572
B0
B0
B0
B0
B1
B0
B0
B1
B2
SQ7 * /LESS * WQ4 * /QDN ’
; U4 IN THE SCHEMATIC
6
NC
18
/Q2
*
*
*
*
*
*
*
*
* /B1
* /B1
*
* /B1 * /B2
*
*
* /B1 * /B2 * /B3
*
*
*
B1
B1 * /B2
B2
B2
B1 *
B3
B3
B3
B1
B1
B2
B2
B2
B3
B3
B3
B3
7
MAN
19
/Q1
B2 * /B3
8
S3
20
/Q0
9
S2
21
/QDN
10
S1
22
/DN
11
S0
23
/CPD
12
GND
24
VCC
D–7