MN86063 Datasheet, PDF (8/10 Pages) Panasonic Semiconductor – High-Speed CODEC LSI for Facsimile Images

MN86063
For Communications Equipment
Application Circuit Example #1. Sample Connections to System Bus
(MPU)
BUFR/W
BUFEN
16
AD(0 to 15)
A(16 to 15)
4
3
BS(0 to 2)
ASTB
HDACK
+5V
UBE
IORD
IOWR
+5V
MRD
MWT
DMARQ0
DMAAK0
DMARQ1
DMAAK1
DMARQ2
DMAAK2
DMARQ3
DMAAK3
CLKIN
INTR0
INTR1
INTR2
RST
(Upper half of memory)
256-Kbit SRAM
A(0 to 14)
I/O(0 to 7)
CS
WE
OE
(Lower half of memory)
256-Kbit SRAM
A(0 to 14)
I/O(0 to 7)
CS
WE
OE
74HC245
G
DIR
B
A
2 pieces
Address bus
16
Data bus
74HC573
D
C
Q
OC
3 pieces
23
A(0 to 3)
4
D(0 to 15)
16
BS(0 to 2)
A(4 to 19)
Address
Decoder
MN86063
A(0 to 3)
D(0 to 15)
UBE
RD
WT
CS
HEX
REQC0
ACKC0
REQC1
ACKC1
REQD0
ACKD0
REQD1
ACKD1
INTR0
INTR1
INTR2
2SYSCLK RESET
A(1 to 15)
15
D(8 to 15)
8
A(1 to 15)
D(0 to 7)
Address
Decoder
15
8
BS(0 to 2)
A(16 to 19)
A0
Crystal
oscillator
circuit
(20 MHz)
Power
on reset
circuit