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MC68306FC16 Datasheet, PDF (92/191 Pages) Motorola, Inc – Integrated EC000 Processor | |||
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Table 5-1. MC68306 Memory Map
FC
A(31â0)
D(15â8) (EVEN ADDRESS)
D(7â0) (ODD ADDRESS)
5 FFFFFFFE/F
5 FFFFFFFC/D
5 FFFFFFFA
5 FFFFFFF8
5 FFFFFFF6
5 FFFFFFF4/5
5 FFFFFFF2/3
5 FFFFFFF0/1
5 FFFFFFEFâ
FFFFFFE8
5 FFFFFFE6
FFFFFFE4
5 FFFFFFE2
FFFFFFE0
5 FFFFFFDE
FFFFFFDC
5 FFFFFFDA
FFFFFFD8
5 FFFFFFD6
FFFFFFD4
5 FFFFFFD2
FFFFFFD0
5 FFFFFFCE
FFFFFFCC
5 FFFFFFCA
FFFFFFC8
5 FFFFFFC6
FFFFFFC4
5 FFFFFFC2
FFFFFFC0
5 FFFFFFBFâ
FFFFF800
5 FFFFF7FFâ
FFFFF7E0
5 FFFFF7DFâ
FFFFF000
1, 2, 6 FFFFFFFFâ
FFFFF000
1, 2, 5, 6 FFFFEFFFâ
00000000
7
â
SYSTEM
TIMER VECTOR
REFRESH RATE
BUS TIMEOUT PERIOD
INTERRUPT CONTROL REGISTER
INTERRUPT STATUS REGISTER
RESERVED 2
PORT A PIN ASSIGNMENT
PORT B PIN ASSIGNMENT
PORT A DATA DIRECTION
PORT B DATA DIRECTION
PORT A DATA
RESERVED 2
PORT B DATA
DRAM BANK 1 CONFIGURATION (LOW)
DRAM BANK 1 CONFIGURATION (HIGH)
DRAM BANK 0 CONFIGURATION (LOW)
DRAM BANK 0 CONFIGURATION (HIGH)
CHIP SELECT 7 CONFIGURATION (LOW)
CHIP SELECT 7 CONFIGURATION (HIGH)
CHIP SELECT 6 CONFIGURATION (LOW)
CHIP SELECT 6 CONFIGURATION (HIGH)
CHIP SELECT 5 CONFIGURATION (LOW)
CHIP SELECT 5 CONFIGURATION (HIGH)
CHIP SELECT 4 CONFIGURATION (LOW)
CHIP SELECT 4 CONFIGURATION (HIGH)
CHIP SELECT 3 CONFIGURATION (LOW)
CHIP SELECT 3 CONFIGURATION (HIGH)
CHIP SELECT 2 CONFIGURATION (LOW)
CHIP SELECT 2 CONFIGURATION (HIGH)
CHIP SELECT 1 CONFIGURATION (LOW)
CHIP SELECT 1 CONFIGURATION (HIGH)
CHIP SELECT 0 CONFIGURATION (LOW)
CHIP SELECT 0 CONFIGURATION (HIGH)
RESERVED 3
RESERVED 2
SERIAL MODULE
RESERVED 4
AVAILABLE FOR CHIP SELECT/DRAM
AVAILABLE FOR CHIP SELECT/DRAM
INTERRUPT ACKNOWLEDGE: VECTOR SUPPLIED ON D7âD0
1. A(31â24) are copied from A23 (sign-extended) in 16 Mbyte emulation mode.
2. Write data ignored, read data indeterminate.
3. Duplicate of FFFFFFC0âFFFFFFFF.
4. Duplicate of FFFF7FE0âFFFF7FFF
5-2
MC68306 USER'S MANUAL
MOTOROLA
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