TP3465 Datasheet, PDF (1/17 Pages) National Semiconductor (TI) – TP3465 MICROWIRETM Interface Device (MID)

July 1999
TP3465 MICROWIRE ^TM Interface Device (MID)
General Description
The MICROWIRE^TM Interface Device MID gives a general
microprocessor (such as National Series 32000 proces-
sors Intel 80C188 80C86 or 80286 Motorola 6800 and
68000 family of processors) the ability to communicate effi-
ciently with up to eight peripheral devices via the serial MI-
CROWIRE interface The MID causes each of the peripheral
devices to appear to the mP as memory mapped locations
by performing all the data serialization and transfer proto-
cols to and from the peripherals
Applications
Y _{ISDN Terminal Adapters}
Y _{Digital Line cards (ISDN and Non ISDN)}
Y _{Analog Linecards using National COMBO}
Y _{Interfacing to industry standard serial EEPROMs}
Y _{Interfacing to industry standard MICROWIRE peripheral}
devices such as Analog to Digital Converters LCD driv-
ers clock generators
Features
Y _{Multiplexed and Non-multiplexed microprocessor bus}
compatible
Y _{National Intel and Motorola microprocessor bus}
compatible
Y _{Microprocessor Clock (CKIN) up to 20 MHz}
Y _{MICROWIRE clock speeds up to 5 MHz}
Y _{Directly compatible with 8- and 16-bit MICROWIRE}
peripherals
Y _{Commercial temperature range 0C to +70C}
Y _{TP3465 for 8 Chip Select output}
Y _{Memory mapped peripherals}
Y _{Programmable MICROWIRE Clock to communicate with}
devices of different speeds
Y _{Operates as MICROWIRE bus master or slave}
Y _{28-pin PLCC Package}
Y _{CMOS Low Power}
Block Diagram
FIGURE 1 MICROWIRE Interface Device MID
COMBO Series 32000 and TRI-STATE are registered trademarks of National Semiconductor Corporation
MICROWIRETM is a trademark of National Semiconductor Corporation
C1999 National Semiconductor Corporation TL H 10803
TL H 10803 – 1