MC14555 MOTOROLA [Motorola, Inc], MC14555 Datasheet - Page 2

• Manufacturer Part Number: MC14555
• Description: PCM Codec-Filter
• Manufacturer: MOTOROLA [Motorola, Inc]

MC145554 MC145557 MC145564 MC145567
2
VF X I +
* MC145564 and MC145567 only.
VF X I –
VPO +
VPO –
VF R O
VPI
*
*
*
–
+
–1
–
+
GS X
BCLK R / CLKSEL
MCLK R / PDN
ANLB
GNDA
VF R O
V CC
V BB
FS R
MC145554, MC145557
*
D R
LOW–PASS
BAND–GAP
LOW–PASS
RC ACTIVE
RC ACTIVE
VOLTAGE
FILTER
FILTER
REF
1
2
3
4
5
6
7
8
V CC
FUNCTIONAL BLOCK DIAGRAM
10
16
15
14
13
12
11
9
GNDA V BB
5–POLE SC
5–POLE SC
LOW–PASS
LOW–PASS
FILTER
FILTER
RDAC
VF X I +
VF X I –
GS X
TS X
FS X
D X
BCLK X
MCLK X
PIN ASSIGNMENTS
HIGH–PASS
AND S/H
3–POLE
CDAC
S/H
BCLK R / CLKSEL
MCLK R / PDN
4
4
VPO –
GNDA
VPO +
VF R O
V CC
FS R
MC145564, MC145567
VPI
FS X
D R
COMP
MUX
1
2
3
4
5
6
7
8
9
10
FS R MCLK X BCLK X
INTERNAL SEQUENCING
8
8
AND CONTROL
20
19
18
17
16
15
14
13
12
11
RECEIVE
LATCH
REG
SAR
V BB
VF X I +
VF X I –
GS X
ANLB
TS X
FS X
D X
BCLK X
MCLK X
MCLK R /
PDN
TRANSMIT
RECEIVE
SHIFT
SHIFT
REG
REG
MOTOROLA
CLKSEL
BCLK R /
TS X
D X
D R