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TMP320C2811PBKA Datasheet(PDF) 142 Page - Texas Instruments |
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TMP320C2811PBKA Datasheet(HTML) 142 Page - Texas Instruments |
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142 / 147 page  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 |
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