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SDA 6000
PRELIMINARY DATA SHEET
Version 2.1
C16X Microcontroller
4 - 20
Micronas
Figure 4-7
Interlocked Access Cycles to two SDRAM Banks
4.5.1
Memory Mapping
Mapping of memory locations from the address space of the C16x to physical addresses
(and chip selects) occurs in 4 steps (all addresses shown below are byte addresses
unless otherwise noted).
Figure 4-8
gives a coarse depiction (without redirection) of the
mapping process in normal operation mode.
UET11120
MEMCLK
Pre
Act
Act
Pre
Act
Read
Read
Read
Read
RAS
CAS
SDRAM: 16 MBit, 2 Banks
ra
ca
ca
ra
ca
ra
ra
ra
ra
A (9:0)
A10
A11
b1
b1
b1
b1
b1
b1
b0
SDRAM: 64 MBit, 4 Banks
A10
A (9:0)
ca
ra
ra
ca
ra
ra
ca
ra
ra
ra
ra
ra
A11
A(13:12)
by
by
by
by
bx
bx by
by
D(15:0)
7
6
8
1
2
3
4
1
2
3
4
6
5
7
8
1
zo
Bank 1
Bank 0
Bank Y
Bank X
b0
Precharge
Activate
Activate
Precharge
Activate
dx
dy
dx
dy
Summary of Contents for SDA 6000
Page 3: ...Contents Overview...
Page 21: ...Pin Description...
Page 22: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Pin Descriptions 2 3 Micronas 2 Pin Descriptions...
Page 29: ...Architectural Overview...
Page 33: ...C16X Microcontroller...
Page 88: ...Interrupt and Trap Function...
Page 122: ...System Control Configuration...
Page 159: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 System Control Configuration 6 40 Micronas...
Page 160: ...Peripherals...
Page 282: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Peripherals 7 124 Micronas...
Page 283: ...Clock System...
Page 284: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 3 Micronas 8 Clock System...
Page 288: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 8 Micronas...
Page 289: ...Sync System...
Page 290: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Sync System 9 3 Micronas 9 Sync System...
Page 301: ...Display Generator...
Page 348: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Display Generator 10 50 Micronas...
Page 349: ...D A Converter...
Page 352: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 D A Converter 11 6 Micronas...
Page 353: ...Slicer and Acquisition...
Page 381: ...Register Overview...
Page 398: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Register Overview 13 20 Micronas...
Page 399: ...Elelctrical Characteristics...
Page 411: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Electrical Characteristics 14 14 Micronas...