mc68hc916y3 Freescale Semiconductor, Inc, mc68hc916y3 Datasheet - Page 168

• Manufacturer Part Number: mc68hc916y3
• Description: Mc68hc16y3 16 Bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

5.9 Chip-Selects
5-60
MOTOROLA
Typical microcontrollers require additional hardware to provide external chip-select
signals. The MCU includes 12 programmable chip-select circuits that can provide from
2 to 16 clock-cycle access to external memory and peripherals. Address block sizes
of 2 Kbytes to 512 Kbytes can be selected. However, because ADDR[23:20] follow the
state of ADDR19, 512-Kbyte blocks are the largest usable size. Figure 5-20 is a
diagram of a basic system that uses chip-selects.
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MC68HC16Y3/916Y3
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