參數(shù)資料
型號(hào): TMR320C2811GHHS
廠(chǎng)商: Texas Instruments, Inc.
元件分類(lèi): 數(shù)字信號(hào)處理
英文描述: TMS320R2811, TMS320R2812 Digital Signal Processors
中文描述: TMS320R2811,TMS320R2812數(shù)字信號(hào)處理器
文件頁(yè)數(shù): 142/147頁(yè)
文件大?。?/td> 2021K
代理商: TMR320C2811GHHS
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Electrical Specifications
142
June 2004
SPRS257
7
Migration From F281x Devices
Table 6
53 shows the differences between F281x and R281x features. F281x stands for TMS320F2810,
TMS320F2811, and TMS320F2812 devices. R281x stands for TMS320R2811 and TMS320R2812 devices.
Table 6
53. Feature Comparison Between F281x and R281x Devices
FEATURES
R2811
F2811
R2812
F2812
R281X MIGRATION CONSIDERATIONS
Instruction Cycle (at 150 MHz)
6.67 ns
6.67 ns
6.67 ns
6.67 ns
R281x SARAM execution is single cycle,
zero
wait-state at 150 MHz.
Single
Access RAM (SARAM)
(16
bit word)
20K
18K
20K
18K
Additional 2K words of SARAM
L2/L3
blocks
See section 3.2.7.
Code Security feature
Disabled
Selectable
Disabled
Selectable
Code secuirty in R281x affects L0/L1
SARAM. However, CSM password
locations are preset as 0xFFFF to facilitate
easy unsecuring. See Section 3.2.9.
On
chip Non
Voltaile memory
No
Yes
No
Yes
F281x Flash/OTP space are reserved in
R281x devices.
Boot ROM
Yes
Yes
Yes
Yes
Same Boot ROM code as F281x devices.
Flash/OTP Boot ROM
No
Yes
No
Yes
Not available on R281x
SPI
EEPROM Boot
Yes
Yes
Yes
Yes
H0 SARAM Boot
Yes
Yes
Yes
Yes
SCI, Parallel I/O Boot
Yes
Yes
Yes
Yes
External Memory Interface
No
No
Yes
Yes
Event Managers A and B
(EVA and EVB)
EVA, EVB
EVA, EVB
EVA, EVB
EVA, EVB
General
Purpose (GP) Timers
4
4
4
4
Compare (CMP)/PWM
16
16
16
16
Capture (CAP)/QEP Channels
6/2
6/2
6/2
6/2
Watchdog Timer
Yes
Yes
Yes
Yes
12
Bit ADC
Yes
Yes
Yes
Yes
Internal reference trimmed for gain
accuracy. Supports external reference
mode as in F281x devices. See Section 4.3.
Channels
16
16
16
16
32
Bit CPU Timers
3
3
3
3
SPI
Yes
Yes
Yes
Yes
SCIA, SCIB
SCIA, SCIB
SCIA, SCIB
SCIA, SCIB
SCIA, SCIB
CAN
Yes
Yes
Yes
Yes
McBSP
Yes
Yes
Yes
Yes
Digital I/O Pins (Shared)
56
56
56
56
External Interrupts
3
3
3
3
Supply Voltage
1.9 V, 3.3 V,
(5%)
150 MHz
150 MHz
150 MHz
150 MHz
A
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