Texas Instruments AM1808 User Manual page 230

AM1808
SPRS653E – FEBRUARY 2010 – REVISED MARCH 2014
Table 6-122 is the list of the ECAP registers.
ECAP0 ECAP1
BYTE ADDRESS BYTE ADDRESS
0x01F0 6000 0x01F0 7000
0x01F0 6004 0x01F0 7004
0x01F0 6008 0x01F0 7008
0x01F0 600C 0x01F0 700C
0x01F0 6010 0x01F0 7010
0x01F0 6014 0x01F0 7014
0x01F0 6028 0x01F0 7028
0x01F0 602A 0x01F0 702A
0x01F0 602C 0x01F0 702C
0x01F0 602E 0x01F0 702E
0x01F0 6030 0x01F0 7030
0x01F0 6032 0x01F0 7032
0x01F0 605C 0x01F0 705C
Table 6-123 shows the eCAP timing requirement and
characteristics.
Table 6-123. Timing Requirements for Enhanced Capture (eCAP)
t Capture input pulse width
w(CAP)
Table 6-124. Switching Characteristics Over Recommended Operating Conditions for eCAP
PARAMETER
t Pulse duration, APWMx
w(APWM)
output high/low
230 Peripheral Information and Electrical Specifications
Table 6-122. ECAPx Configuration Registers
ECAP2
BYTE ADDRESS
0x01F0 8000
0x01F0 8004
0x01F0 8008
0x01F0 800C
0x01F0 8010
0x01F0 8014
0x01F0 8028
0x01F0 802A
0x01F0 802C
0x01F0 802E
0x01F0 8030
0x01F0 8032
0x01F0 805C
1.3V, 1.2V
MIN MAX
20
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ACRONYM
TSCTR Time-Stamp Counter
CTRPHS Counter Phase Offset Value Register
CAP1 Capture 1 Register
CAP2 Capture 2 Register
CAP3 Capture 3 Register
CAP4 Capture 4 Register
ECCTL1 Capture Control Register 1
ECCTL2 Capture Control Register 2
ECEINT Capture Interrupt Enable Register
ECFLG Capture Interrupt Flag Register
ECCLR Capture Interrupt Clear Register
ECFRC Capture Interrupt Force Register
REVID Revision ID
Table 6-124
TEST
CONDITIONS
Asynchronous
Synchronous
1.1V
MIN MAX
20
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AM1808
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DESCRIPTION
shows the eCAP switching
1.3V, 1.2V, 1.1V, 1.0V UNIT
MIN MAX
2t cycles
c(SCO)
2t cycles
c(SCO)
1.0V UNIT
MIN MAX
20 ns