TMS320VC5420
FIXED POINT DIGITAL SIGNAL PROCESSOR
SPRS080F − MARCH 1999 − REVISED OCTOBER 2008
Table of Contents
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Signal Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Multicore Reset Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
On-Chip Peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
16-bit Host-Port Interface (HPI16) . . . . . . . . . . . . . . . . . . 24
Multichannel Buffered Serial Port (McBSP) . . . . . . . . . . . 26
Direct Memory Access Unit (DMA) . . . . . . . . . . . . . . . . . . 27
Subsystem Communications . . . . . . . . . . . . . . . . . . . . . . . 29
General-Purpose I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Memory-Mapped Registers . . . . . . . . . . . . . . . . . . . . . . . . 33
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
IDLE3 Power-Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . 39
Emulating the 5420 Device . . . . . . . . . . . . . . . . . . . . . . . . 39
Documentation Support . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Operating Conditions . . . . . . . . . . . . . . .
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . .
External Multiply-By-N Clock Option . . . . . . . . . . . . . . . .
Bypass Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Memory Interface Timing for One Wait State . .
Ready Timing for Externally Generated Wait States . . .
Parallel I/O Interface Timing . . . . . . . . . . . . . . . . . . . . . . .
I/O Port Timing for Externally Generated Wait States . .
Reset, BIO, Interrupt, and XIO Timing . . . . . . . . . . . . . . .
External Flag (XF) and Timer Output (TOUT) Timing . .
General-Purpose Input/Output (GPIO) Timing . . . . . . . .
SELA/B Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multichannel Buffered Serial Port Timing . . . . . . . . . . . . .
HPI16 Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REVISION HISTORY
REVISION
*
A
B
C
D
E
DATE
March 1999
April 1999
September 1999
April 2000
June 2000
April 2001
PRODUCT STATUS
Advance Information
Advance Information
Production Data
Production Data
Production Data
Production Data
Original
Updated characteristics data.
Updated characteristics data.
Updated characteristics data.
Updated characteristics data.
Removed 4K
×
16-bit block of on-chip memory labeled SARAM4.
This is no longer a supported feature of this device.
Signal Descriptions table:
− Added footnote about TRST
Mechanical Data section:
− Added paragraph about packaging information
− Added “Package Thermal Resistance Characteristics” section
− Mechanical drawings will be appended to this document via an
automated process
HIGHLIGHTS
F
October 2008
Production Data
2
POST OFFICE BOX 1443
•
HOUSTON, TEXAS 77251−1443
TI [ TEXAS INSTRUMENTS ]
