TMS320F28027, TMS320F28027-Q1, TMS320F28027F, TMS320F28027F-Q1, TMS320F28026
TMS320F28026-Q1, TMS320F28026F, TMS320F28026F-Q1, TMS320F28023
TMS320F28023-Q1, TMS320F28022, TMS320F28021, TMS320F28020, TMS320F280200
ZHCSA13P –NOVEMBER 2008 –REVISED FEBRUARY 2021
www.ti.com.cn
表9-28. eCAP Control and Status Registers
NAME
TSCTR
CTRPHS
CAP1
eCAP1
0x6A00
SIZE (x16) EALLOW PROTECTED
DESCRIPTION
2
2
2
2
2
2
8
1
1
1
1
1
1
6
Time-Stamp Counter
0x6A02
Counter Phase Offset Value Register
Capture 1 Register
0x6A04
CAP2
0x6A06
Capture 2 Register
CAP3
0x6A08
Capture 3 Register
CAP4
0x6A0A
Capture 4 Register
Reserved
ECCTL1
ECCTL2
ECEINT
ECFLG
ECCLR
ECFRC
Reserved
0x6A0C to 0x6A12
0x6A14
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
0x6A15
0x6A16
0x6A17
0x6A18
0x6A19
0x6A1A to 0x6A1F
For more information on the eCAP, see the Enhanced Capture (eCAP) Module chapter in the
TMS320F2802x,TMS320F2802xx Technical Reference Manual.
9.9.8.1 eCAP 电气数据/时序
节9.9.8.1.1 显示了eCAP 时序要求，而节9.9.8.1.2 显示了eCAP 开关特性。
9.9.8.1.1 Enhanced Capture (eCAP) Timing Requirement
MIN(1)
2tc(SCO)
MAX UNIT
cycles
Asynchronous
Synchronous
tw(CAP)
Capture input pulse width
2tc(SCO)
cycles
With input qualifier
1tc(SCO) + tw(IQSW)
cycles
(1) For an explanation of the input qualifier parameters, see 节9.9.10.1.2.1.
9.9.8.1.2 eCAP 开关特性
在推荐的运行条件下（除非额外注明）
参数
测试条件
最小值
最大值
单位
tw(APWM)
20
ns
脉冲持续时间，APWMx 输出高电平/低电平的时间
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Q1 TMS320F28022 TMS320F28021 TMS320F28020 TMS320F280200
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