HS1-82C55ARH-8 Intersil, HS1-82C55ARH-8 Datasheet - Page 9

• Manufacturer Part Number: HS1-82C55ARH-8
• Manufacturer: Intersil

Specifications of HS1-82C55ARH-8

• Operating Temperature (max): 125C
• Mounting: Through Hole
• Lead Free Status / RoHS Status: Compliant

Operating Modes
Mode 0 (Basic Input/Output)
This functional configuration provides simple input and
output operations for each of the three ports. No
handshaking it required, data is simply written to or read
from a specific port.
CS, A1, A0
CS, A1, A0
OUTPUT
D7 - D0
D7 - D0
INPUT
WR
RD
9
TAVWL
FIGURE 14. MODE 0 (BASIC OUTPUT)
FIGURE 13. MODE 0 (BASIC INPUT)
TAVRL
TPVRL
HS-82C55ARH
TWLWH
TRLDV
TRLRH
TDVWH
Mode 0 Basic Functional Definitions:
• Two 8-bit ports and two 4-bit ports
• Any port can be input or output
• Outputs are latched
• Inputs are not latched
• 16 different Input/Output configurations possible
TRHPX
TWHPV
TRHAX
TWHAX
TRHDX
TWHDX