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參數資料
| 型號： | ADUC848BS62-3 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 10-825944-010 |
| 中文描述： | 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, PQFP52 |
| 封裝： | 14 X 14 MM, PLASTIC, MO-112-AC-1, MQFP-52 |
| 文件頁數： | 76/108頁 |
| 文件大小： | 1109K |
| 代理商： | ADUC848BS62-3 |
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ADuC845/ADuC847/ADuC848
TCON—Timer/Counter 0 and 1 Control Register
Rev. A | Page 76 of 108
SFR Address:
Power-On Default:
Bit Addressable:
Table 51. TCON SFR Bit Designations
Bit No.
Name
7
TF1
88H
00H
Yes
Description
Timer 1 Overflow Flag.
Set by hardware on a Timer/Counter 1 overflow.
Cleared by hardware when the program counter (PC) vectors to the interrupt service routine.
Timer 1 Run Control Bit.
Set by the user to turn on Timer/Counter 1.
Cleared by the user to turn off Timer/Counter 1.
Timer 0 Overflow Flag.
Set by hardware on a Timer/Counter 0 overflow.
Cleared by hardware when the PC vectors to the interrupt service routine.
Timer 0 Run Control Bit.
Set by the user to turn on Timer/Counter 0.
Cleared by the user to turn off Timer/Counter 0.
External Interrupt 1 (INT1) Flag.
Set by hardware by a falling edge or by a zero level applied to the external interrupt pin, INT1, depending on the
state of Bit IT1.
Cleared by hardware when the PC vectors to the interrupt service routine only if the interrupt was transition-
activated. If level-activated, the external requesting source controls the request flag rather than the on-chip
hardware.
External Interrupt 1 (IE1) Trigger Type.
Set by software to specify edge-sensitive detection, that is, 1-to-0 transition.
Cleared by software to specify level-sensitive detection, that is, zero level.
External Interrupt 0 (INT0) Flag.
Set by hardware by a falling edge or by a zero level being applied to the external interrupt pin, INT0, depending on
the statue of Bit IT0.
Cleared by hardware when the PC vectors to the interrupt service routine only if the interrupt was transition-
activated. If level-activated, the external requesting source controls the request flag rather than the on-chip
hardware.
External Interrupt 0 (IE0) Trigger Type.
Set by software to specify edge-sensitive detection, that is, 1-to-0 transition.
Cleared by software to specify level-sensitive detection, that is, zero level.
___________________________________________
6
TR1
5
TF0
4
TR0
3
IE1
1
2
IT1
1
1
IE0
1
0
IT0
1
1
These bits are not used to control Timer/Counters 0 and 1, but are used instead to control and monitor the external INT0 and INT1 interrupt pins.
Timer/Counter 0 and 1 Data Registers
Each timer consists of two 8-bit registers. These can be used as independent registers or combined into a single 16-bit register, depending
on the timers’ mode configuration.
TH0 and TL0
—Timer 0 high and low bytes.
SFR Address:
Power-On Default:
8CH and 8AH, respectively.
00H and 00H, respectively.
TH1 and TL1
—Timer 1 high and low bytes.
SFR Address:
Power-On Default:
8DH and 8BH, respectively.
00H and 00H, respectively
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相關代理商/技術參數 |
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| ADUC848BS62-5 | 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 12.85MHZ 5V 52MQFP - Bulk 制造商:Analog Devices 功能描述:IC MICROCONTROLLER |
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