M54610P Datasheet, PDF (1/9 Pages) Mitsubishi Electric Semiconductor – 8-BIT PARALLEL DATA INTERFACE FOR PRINTER

MITSUBISHI <CONTROL / DRIVER IC>
M54610P
8-BIT PARALLEL DATA INTERFACE FOR PRINTER
DESCRIPTION
The M54610P is a semiconductor integrated circuit consisting of an
8-bit parallel data interface function.
FEATURES
q I/O electrical characteristics equivalent to LSTTL
q 3-state 8-bit data output
q Strobe signal with polarity switching input
q Wide operating temperature range Ta = -20 – +75°C
APPLICATION
Printer
FUNCTION
The M54610P, when used in a printer, is capable of implementing
a standard 8-bit parallel data interface. As shown in the timing
diagram, printing data DIN 1 through 8 and strobe pulses STB are
input from a host computer. Data are exchanged by outputing the
BUSY and ACK (ACKNOWLEDGE) signals to the host computer.
Control signals EBSY, CS, WR, RD and ACKI are input from a
printer controller, and this IC outputs DOU 1 through 8, and BSYF.
PIN CONFIGURATION (TOP VIEW)
Buffer 1 input BI1 → 1
Buffer 2 output BO2 ← 2
Buffer 2 input BI2 → 3
Buffer 5 output BO5 ← 4
Buffer 3 input BI3 → 5
GND 6
Buffer 4 output BO4 ← 7
Buffer 1 output BO1 ← 8
BUSY output BUSY ← 9
ACKNOWLEDGE _ACK ← ₁₀
output
DIN8 → 11
DIN7 → 12
DIN6 → 13
Data inputs
DIN5 → 14
DIN4 → 15
DIN3 → 16
DIN2 → 17
DIN1 → 18
Strobe input STB → 19
Strobe switch input PSW → 20
GND ₂₁
42 VCC
41 ^← BI5 Buffer 5 input
40 → BO3 Buffer 3 output
39 → RDY READY output
38 ^← BI4 Buffer 4 input
37 ^→ BSYF BUSY flag output
36 ^← EBSY Ext. BUSY input
35 GND
34 ← BSSL BUSY select input
33 ← ACKI ^ACKNOWLEDGE
input
32 ^← CS Chip select input
31 ^← WR Write input
30 ^← RD Read input
29 ^→ DOU8
28 → DOU7
27 → DOU6
26 → DOU5
25 ^→ DOU4
Data outputs
24 ^→ DOU3
23 → DOU2
22 → DOU1
Outline 42P4B