TMS320F28030_17 Datasheet, PDF (125/161 Pages) Texas Instruments – Piccolo Microcontrollers

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TMS320F28030, TMS320F28031, TMS320F28032
TMS320F28033, TMS320F28034, TMS320F28035
SPRS584K – APRIL 2009 – REVISED JUNE 2016
NAME
TSCTR
CTRPHS
CAP1
CAP2
CAP3
CAP4
Reserved
ECCTL1
ECCTL2
ECEINT
ECFLG
ECCLR
ECFRC
Reserved
Table 6-53. eCAP Control and Status Registers
eCAP1
0x6A00
0x6A02
0x6A04
0x6A06
0x6A08
0x6A0A
0x6A0C – 0x6A12
0x6A14
0x6A15
0x6A16
0x6A17
0x6A18
0x6A19
0x6A1A – 0x6A1F
SIZE (x16)
2
2
2
2
2
2
8
1
1
1
1
1
1
6
EALLOW PROTECTED
DESCRIPTION
Time-Stamp Counter
Counter Phase Offset Value Register
Capture 1 Register
Capture 2 Register
Capture 3 Register
Capture 4 Register
Reserved
Capture Control Register 1
Capture Control Register 2
Capture Interrupt Enable Register
Capture Interrupt Flag Register
Capture Interrupt Clear Register
Capture Interrupt Force Register
Reserved
For more information on the eCAP, see the TMS320F2802x, 2803x Piccolo Enhanced Capture (eCAP)
Module Reference Guide.
6.9.11.1 eCAP Electrical Data/Timing
Table 6-54 shows the eCAP timing requirement and Table 6-55 shows the eCAP switching characteristics.
Table 6-54. Enhanced Capture (eCAP) Timing Requirement⁽¹⁾
Asynchronous
t_w(CAP)
Capture input pulse width
Synchronous
With input qualifier
(1) For an explanation of the input qualifier parameters, see Table 6-67.
MIN
2t_c(SCO)
2t_c(SCO)
1t_c(SCO) + t_w(IQSW)
MAX
UNIT
cycles
cycles
cycles
Table 6-55. eCAP Switching Characteristics
over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
t_w(APWM)
Pulse duration, APWMx output high/low
MIN
MAX UNIT
20
ns
Copyright © 2009–2016, Texas Instruments Incorporated
Detailed Description 125
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