M54610P Mitsubishi Electronics America, Inc., M54610P Datasheet - Page 4

• Manufacturer Part Number: M54610P
• Description: 8-bit Parallel Data Interface For Printer
• Manufacturer: Mitsubishi Electronics America, Inc.

PIN FUNCTION DESCRIPTION
OPERATION TIMING DIAGRAM
Pin No.
10
11
18
19
20
21
35
22
29
30
31
32
33
34
36
37
39
42
9
6
printer controller
printer controller
host controller
host controller
Input from
Input from
Output to
Output to
Pin name
BUSY
ACK
DIN8
DIN1
STB
PSW
GND
DOU1
DOU8
RD
WR
CS
ACKI
BSSL
EBSY
BSYF
RDY
V
CC
DOU1 – 8
DIN1 – 8
BUSY output to host
ACKNOWLEDGE output to host
8-bit parallel data input from host
Data strobe pulse input from host
Polarity switching input for STB
GND
8-bit parallel data output to printer controller (3-state)
Read input from printer controller
Write input from printer controller
Chip select input from printer controller
ACKNOWLEDGE input from printer controller
BUSY select input. Switches busy timing.
External BUSY input from printer controller
BUSY flag output to printer controller
Inverted BUSY output to printer controller
Power supply
EBSY
BUSY
BSYF
ACKI
ACK
STB
WR
RD
CS
1 :
2 : The broken lines of BUSY signal show the timing when BSSL is low.
The broken lines of BSYF and BUSY show the timing when PSW is low.
When initialized
2
Valid data
8-BIT PARALLEL DATA INTERFACE FOR PRINTER
1
1
Function
When data is read
MITSUBISHI <CONTROL / DRIVER IC>
2
M54610P