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參數(shù)資料
| 型號： | IC80C32 |
| 英文描述： | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| 中文描述： | CMOS單芯片8位微控制器 |
| 文件頁數(shù)： | 16/48頁 |
| 文件大?。?/td> | 274K |
| 代理商： | IC80C32 |
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IC80C52
IC80C32
16
Integrated Circuit Solution Inc.
MC002-0B
Mode 1:
Mode 1 is the same as Mode 0, except that the Timer register
is run with all 16 bits. The clock is applied to the combined
high and low timer registers (TL1/TH1). As clock pulses are
received, the timer counts up: 0000H, 0001H, 0002H, etc.
An overflow occurs on the FFFFH-to-0000H overflow flag.
The timer continues to count. The overflow flag is the TF1 bit
in TCON that is read or written by software (see Figure 9).
Mode 2:
Mode 2 configures the Timer register as an 8-bit Counter
(TL1) with automatic reload, as shown in Figure 10. Overflow
from TL1 not only sets TF1, but also reloads TL1 with the
contents of TH1, which is preset by software. The reload
leaves the TH1 unchanged. Mode 2 operation is the same
for Timer/Counter 0.
Mode 3:
Timer 1 in Mode 3 simply holds its count. The effect is the
same as setting TR1 = 0. Timer 0 in Mode 3 establishes TL0
and TH0 as two separate counters. The logic for Mode 3 on
Timer 0 is shown in Figure 11. TL0 uses the Timer 0 control
bits: C/
T
, GATE, TR0,
INT0
, and TF0. TH0 is locked into a
timer function (counting machine cycles) and over the use of
TR1 and TF1 from Timer 1. Thus, TH0 now controls the
Timer 1 interrupt.
Mode 3 is for applications requiring an extra 8-bit timer or
counter. With Timer 0 in Mode 3, the IC80C52 can appear to
have four Timer/Counters. When Timer 0 is in Mode 3, Timer
1 can be turned on and off by switching it out of and into its
own Mode 3. In this case, Timer 1 can still be used by the
serial port as a baud rate generator or in any application not
requiring an interrupt.
Figure 9. Timer/Counter 1 Mode 1: 16-Bits Counter
DIVIDE 12
OSC
TL1
(8 BITS)
TH1
(8 BITS)
TF1
CONTROL
RELOAD
C/T = 0
C/T = 1
GATE
INT0 PIN
TR1
T1 PIN
INTERRUPT
Figure 10. Timer/Counter 1 Mode 2: 8-Bit Auto-Reload
TIMER
CLOCK
TL1
(8 BITS)
TH1
(8 BITS)
TF1
OVERFLOW
FLAG
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IC80C32-12PL | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-12PQ | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-12W | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-24PL | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-24PQ | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IC80C32-12PL | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-12PQ | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-12W | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-24PL | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IC80C32-24PQ | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
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