z16f2811 ZiLOG Semiconductor, z16f2811 Datasheet - Page 54

• Manufacturer Part Number: z16f2811
• Description: High Performance Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS022006-0207
CS0
CS2
Chip Selects
Table 7. External Interface Signals Description (Continued)
The chip selects support connection of multiple memories and peripherals to the external
interface.
select boundaries are at fixed addresses. On-chip memory always have priority over
external memory. Chip select 0 has the lowest priority and chip select 5 has the highest
priority.
Figure 9. Chip Select Boundary Addressing with 128 KB Internal Flash
External Interface Signal
CS1
CS2
CS3
CS4
CS5
Internal Flash
CS3 - CS5
Memory
128 KB
16 MB
Figure 9
on page 40 illustrates the memory map of the chip selects. The chip
FFFFFFH
F00000H
EFFFFFH
800000H
7FFFFFH
020000H
01FFFFH
000000H
Addresses
CS1
P R E L I M I N A R Y
Output
Output
Output
Output
Output
Direction
Zoom in on CS3 - CS5
CS5
CS4
CS3
Product Specification
ZNEO
Addresses
FFDFFFH
FFD800H
FFD7FFH
FFD000H
FFCFFFH
FFC800H
External Interface
™
Z16F Series
40