scn68562 NXP Semiconductors, scn68562 Datasheet - Page 4

• Manufacturer Part Number: scn68562
• Description: Dual Universal Serial Communications Controller Duscc
• Manufacturer: NXP Semiconductors

Philips Semiconductors
ORDERING INFORMATION
NOTE: See SCN26562/SCN68562 User’s Guide for detailed description of all the features.
BLOCK DIAGRAM
1995 May 01
48-Pin Plastic Dual In-Line Package (DIP)
52-Pin Plastic Leaded Chip Carrier (PLCC) Package
Dual universal serial communications controller (DUSCC)
RTxDRQAN/GPO1AN
RTxDRQBN/GPO1BN
TxDRQAN/GPO2AN
TxDRQBN/GPO2BN
RTxDAKAN/GPI1AN
RTxDAKBN/GPI1BN
RTSBN/SYNOUTBN
RTSAN/SYNOUTAN
TxDAKAN/GPI2AN
TxDAKBN/GPI2BN
DCDBN/SYNIBN
DCDAN/SYNIAN
CTSA/BN
TRxCA/B
RTxCA/B
RESETN
DTACKN
X2/IDCN
DONEN
X1/CLK
IACKN
A1-A6
DTCN
IRQN
RWN
CSN
D0-D7
DESCRIPTION
DESCRIPTION
DMA INTERFACE
INTERRRUPT
OSCILLATOR
INTERFACE
FUNCTION
CONTROL
SPECIAL
ICRA/B
IERA/B
PINS
MPU
IVRM
IVR
BUFFER
BUS
DUSCC
LOGIC
Figure 2. Block Diagram
INTERFACE/
OPERATION
CONTROL
ADDRESS
CONTROL
DECODE
DECODE
ICTSRA/B
TRSRA/B
CMR1A/B
CMR2A/B
OMRA/B
CCRA/B
RSRA/B
PCRA/B
R/W
DMA
GSR
4
Serial Data Rate = 4Mbps Maximum
CONTROL
V
CC
= +5V +5%, T
SCN68562C4N48
SCN68562C4A52
A
= 0 C to +70 C
CHANNEL MODE
AND TIMING A/B
TRANSMIT A/B
RECEIVER A/B
TRANS CLK
SPEC CHAR
GEN LOGIC
SHIFT REG
COUNTER/
TIMER A/B
TRANSMIT
RCVR CLK
RECEIVER
DPLL CLK
COMPARE
CTPRHA/B
CTPRLA/B
DPLL A/B
TX SHIFT
MUX A/B
MUX A/B
CTCRA/B
C/T CLK
ACCUM
BISYNC
CTHA/B
CTLA/B
TPRA/B
TTRA/B
4 DEEP
RPRA/B
RTRA/B
4 DEEP
S1RA/B
S2RA/B
LOGIC
RCVR
CRC
MUX
REG
FIFO
GEN
MUX
FIFO
CRC
BRG
SCN68562
Product specification
SOT240-1
SOT238-3
DWG #
DWG #
SD00223
TxD A/B
RxD A/B