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| 型號(hào)： | COP8SAB7SLB9 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-Bit CMOS ROM Based and One-Time Programmable OTP Microcontroller with 1k to 4k Memory, Power On Reset, and Very Small Packaging |
| 中文描述： | 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, QCC28 |
| 封裝： | CSP-28 |
| 文件頁(yè)數(shù)： | 23/60頁(yè) |
| 文件大?。?/td> | 787K |
| 代理商： | COP8SAB7SLB9 |
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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
Autoreload RA
Autoreload RA
Interrupt B
Source
Autoreload RB
Autoreload RB
Timer
Counts On
t
C
1
1
1
0
0
1
0
PWM: T1A Toggle
PWM: No T1A
Toggle
External Event
Counter
External Event
Counter
Captures:
T1A Pos. Edge
T1B Pos. Edge
Captures:
T1A Pos. Edge
T1B Neg. Edge
Captures:
T1A Neg. Edge
T1B Neg. Edge
Captures:
T1A Neg. Edge
T1B Neg. Edge
t
C
2
0
0
0
Timer
Underflow
Timer
Underflow
Pos. T1A Edge
or Timer
Underflow
Pos. T1A
Edge or Timer
Underflow
Neg. T1A
Edge or Timer
Underflow
Neg. T1A
Edge or Timer
Underflow
Pos. T1B Edge
Pos. T1A
Edge
Pos. T1A
Edge
t
C
0
0
1
Pos. T1B Edge
3
0
1
0
Pos. T1B Edge
1
1
0
Neg. T1B
Edge
t
C
0
1
1
Neg. T1B
Edge
t
C
1
1
1
Neg. T1B
Edge
t
C
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