TMS320F28027 Datasheet, PDF (37/130 Pages) Texas Instruments – Piccolo Microcontrollers

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TMS320F28027, TMS320F28026, TMS320F28023, TMS320F28022
TMS320F28021, TMS320F28020, TMS320F280200
SPRS523F – NOVEMBER 2008 – REVISED DECEMBER 2010
In
I/O Pin
Out
(Force Hi-Z When High)
XRS
Pin
Internal
Weak PU
DIR (0 = Input, 1 = Output)
SYSRS
Deglitch
Filter
XRS
SYSCLKOUT
Sync _RS
MCLKRS
PLL
+
Clocking
Logic
JTAG
TCK
Detect
Logic
C28
Core
VREGHALT
WDRST^(A)
PBRS^(B)
POR/BOR
Generating
Module
On-Chip
Voltage
Regulator
(VREG)
A. WDRST is the reset signal from the CPU-watchdog.
B. PBRS is the reset signal from the POR/BOR module.
Figure 3-9. VREG + POR + BOR + Reset Signal Connectivity
VREGENZ
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Functional Overview
37
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Product Folder Link(s): TMS320F28027 TMS320F28026 TMS320F28023 TMS320F28022 TMS320F28021
TMS320F28020 TMS320F280200