MC68000R Просмотр технического описания (PDF) - Motorola => Freescale
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MC68000R Datasheet PDF : 189 Pages
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Freescale Semiconductor, Inc.
Table 3-3. Function Code Outputs
Function Code Output
FC2
FC1
FC0
Low
Low
Low
Low
Low
High
Low High Low
Low High High
High
Low
Low
High Low High
High High Low
High High High
Address Space Type
(Undefined, Reserved)
User Data
User Program
(Undefined, Reserved)
(Undefined, Reserved)
Supervisor Data
Supervisor Program
CPU Space
3.9 CLOCK (CLK)
The clock input is a TTL-compatible signal that is internally buffered for development of
the internal clocks needed by the processor. This clock signal is a constant frequency
square wave that requires no stretching or shaping. The clock input should not be gated
off at any time, and the clock signal must conform to minimum and maximum pulse-width
times listed in Section 10 Electrical Characteristics.
3.10 POWER SUPPLY (VCC and GND)
Power is supplied to the processor using these connections. The positive output of the
power supply is connected to the VCC pins and ground is connected to the GND pins.
MOTOROLA
M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL
3-9
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