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COP8SA 数据表(PDF) 23 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 COP8SA
功能描述  8-Bit CMOS ROM Based and One-Time Programmable OTP Microcontroller with 1k to 4k Memory, Power On Reset, and Very Small Packaging
PDF  60 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

COP8SA 数据表(HTML) 23 Page - National Semiconductor (TI)

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7.0 Timers (Continued)
7.3 TIMER CONTROL FLAGS
The control bits and their functions are summarized below.
T1C3
Timer mode control
T1C2
Timer mode control
T1C1
Timer mode control
T1C0
Timer Start/Stop control in Modes 1 and 2 (Pro-
cessor Independent PWM and External Event
Counter), where 1 = Start, 0 = Stop
Timer Underflow Interrupt Pending Flag in
Mode 3 (Input Capture)
T1PNDA Timer Interrupt Pending Flag
T1ENA
Timer Interrupt Enable Flag
1 = Timer Interrupt Enabled
0 = Timer Interrupt Disabled
T1PNDB Timer Interrupt Pending Flag
T1ENB
Timer Interrupt Enable Flag
1 = Timer Interrupt Enabled
0 = Timer Interrupt Disabled
The timer mode control bits (T1C3, T1C2 and T1C1) are detailed below:
Mode
T1C3
T1C2
T1C1
Description
Interrupt A
Source
Interrupt B
Source
Timer
Counts On
1
1
0
1
PWM: T1A Toggle
Autoreload RA
Autoreload RB
t
C
1
0
0
PWM: No T1A
Toggle
Autoreload RA
Autoreload RB
t
C
2
0
0
0
External Event
Counter
Timer
Underflow
Pos. T1B Edge
Pos. T1A
Edge
0
0
1
External Event
Counter
Timer
Underflow
Pos. T1B Edge
Pos. T1A
Edge
3
0
1
0
Captures:
Pos. T1A Edge
Pos. T1B Edge
t
C
T1A Pos. Edge
or Timer
T1B Pos. Edge
Underflow
1
1
0
Captures:
Pos. T1A
Neg. T1B
t
C
T1A Pos. Edge
Edge or Timer
Edge
T1B Neg. Edge
Underflow
0
1
1
Captures:
Neg. T1A
Neg. T1B
t
C
T1A Neg. Edge
Edge or Timer
Edge
T1B Neg. Edge
Underflow
1
1
1
Captures:
Neg. T1A
Neg. T1B
t
C
T1A Neg. Edge
Edge or Timer
Edge
T1B Neg. Edge
Underflow
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