參數(shù)資料
型號(hào): TMS320VC203
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: Digital Signal Processors(50ns指令周期, 空閑狀態(tài)CPU全關(guān)斷,先進(jìn)的外圍,多種PLL可選)
中文描述: 數(shù)字信號(hào)處理器(50ns的指令周期,空閑狀態(tài)CPU的全關(guān)斷,先進(jìn)的外圍,多種鎖相環(huán)可選)
文件頁(yè)數(shù): 20/67頁(yè)
文件大?。?/td> 1452K
代理商: TMS320VC203
TMS320C203, TMS320C209, TMS320VC203
DIGITAL SIGNAL PROCESSORS
SPRS025 – JUNE 1995
20
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
memory (continued)
Interrupts
(External)
0000
003F
0040
External
FDFF
FE00
On-Chip DARAM
B0 (CNF = 1)
External (CNF = 0)
On-Chip DARAM
B0’ (CNF = 1)
External (CNF = 0)
FEFF
FF00
FFFF
Hex
Program
BOOT = 1
Microprocessor Mode
Interrupts
(External)
0000
003F
0040
External
FDFF
FE00
On-Chip DARAM
B0 (CNF = 1)
External (CNF = 0)
On-Chip DARAM
B0’ (CNF = 1)
External (CNF = 0)
FEFF
FF00
FFFF
Hex
Program
BOOT = 0
Microprocessor Mode
Memory mapped
Registers and
Reserved
On-Chip
DARAM B2
0000.
005F
0060
007F
0080
Hex
Data
Reserved
00FF
0100
On-chip DARAM
B0 (CNF = 0)
Reserved (CNF = 1)
On-chip DARAM
B0’ (CNF = 0)
Reserved (CNF = 1)
01FF
0200
On-Chip
DARAM B1
0300
03FF
02FF
On-Chip
DARAM B1’
0400
04FF
0500
Reserved
07FF
0800
External
FFFF
Figure 2. TMS320C203 Memory Map
Table 6. TMS320C203 Memory Map Configurations
BOOT
CNF
ON-CHIP
DATA
OFF-CHIP
DATA
PROGRAM
I/O
PROGRAM
I/O
0
0
0–7FF
FF00–FFFF
1000–FFFF
800–FFFF
0–FEFF
0
1
FE00–FFFF
0–7FF
FF00–FFFF
1000–FDFF
800–FFFF
0–FEFF
1
0
0–7FF
FF00–FFFF
1000–FFFF
800–FFFF
0–FEFF
1
1
FE00–FFFF
0–7FF
FF00–FFFF
1000–FDFF
800–FFFF
0–FEFF
Internal I/O locations 0FFE0h–0FFFFh are dedicated to the timer, serial port control, wait state generator registers, and reserved space.
FF00–FF0F are reserved for test purposes and should not be used.
The TMS320C203 includes three registers mapped to internal data space and twelve registers mapped to
internal I/O space. Figure 2 and Tables 5 and 7 describe these registers and show their respective addresses.
In the table, DS refers to data space and IS refers to input/output ports.
A
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