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3 functional overview, 3functional overview, Figure 3-1. functional block diagram – Texas Instruments TMS320F2802 User Manual

Page 24

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INT[12:1]

Real-Time JTAG

(TDI, TDO,

, TCK,

TMS, EMU0, EMU1)

TRST

C28x CPU

(100 MHz)

NMI, INT13

Memory Bus

INT14

SYSCLKOUT

RS

CLKIN

12-Bit ADC

ADCSOCA/B

SOCA/B

16 Channels

12

6

32

XCLKOUT

XRS

XCLKIN

X1

X2

32

System Control

(Oscillator, PLL,

Peripheral Clocking,

Low-Power Modes,

Watchdog)

ePWM1/2/3/4/5/6

(12 PWM Outputs,

6 Trip Zones,

6 16-bit Timers)

eCAP1/2/3/4

(4 32-bit Timers)

eQEP1/2

eCAN-A/B (32 mbox)

External Interrupt

Control

PIE

(96 Interrupts)

(A)

FIFO

FIFO

FIFO

SCI-A/B

GPIO MUX

I2C-A

SPI-A/B/C/D

4

8

4

2

16

4

GPIOs

(35)

TINT0

TINT1

TINT2

7

Peripheral Bus

M0 SARAM

1K x 16

M1 SARAM

1K x 16

Boot ROM

4K x 16

(1-wait state)

L0 SARAM

4K x 16
(0-wait)

L1 SARAM

4K x 16
(0-wait)

(B)

H0 SARAM

8K x 16
(0-wait)

(C)

ROM

32K x 16 (C2802)
16K x 16 (C2801)

FLASH

128K x 16 (F2809)

64K x 16 (F2808)
32K x 16 (F2806)
32K x 16 (F2802)
16K x 16 (F2801)

16K x 16 (F2801x)

OTP

1K x 16

(D)

Protected by the code-security module.

32-bit CPU TIMER 0

32-bit CPU TIMER 1

32-bit CPU TIMER 2

TMS320F2809, TMS320F2808, TMS320F2806
TMS320F2802, TMS320F2801, TMS320C2802
TMS320C2801, TMS320F28016, TMS320F28015

SPRS230N – OCTOBER 2003 – REVISED MAY 2012

www.ti.com

3

Functional Overview

A.

43 of the possible 96 interrupts are used on the devices.

B.

Not available in F2802, F2801, C2802, and C2801.

C.

Not available in F2806, F2802, F2801, C2802, and C2801.

D.

The 1K x 16 OTP has been replaced with 1K x 16 ROM for C280x devices.

Figure 3-1. Functional Block Diagram

24

Functional Overview

Copyright © 2003–2012, Texas Instruments Incorporated

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