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參數(shù)資料
| 型號(hào)： | COP8SDR9LVA8 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-Bit CMOS Flash Based Microcontroller with 32k Memory, Virtual EEPROM and Brownout |
| 中文描述： | 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQCC68 |
| 封裝： | PLASTIC, LCC-68 |
| 文件頁數(shù)： | 26/80頁 |
| 文件大?。?/td> | 972K |
| 代理商： | COP8SDR9LVA8 |
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10.0 Functional Description
(Continued)
10.9.5 T3CNTRL Register (Address X'00B6)
T3C3
T3C2
T3C1
T3C0
T3PNDA
T3ENA
T3PNDB
T3ENB
Bit 7
Bit 0
The T3CNTRL register contains the following bits:
T3C3
Timer T3 mode control bit
T3C2
Timer T3 mode control bit
T3C1
Timer T3 mode control bit
T3C0
Timer
T3
modes 1 and 2, Timer T3 Underflow Interrupt
Pending Flag in timer mode 3
T3PNDA Timer T3 Interrupt Pending Flag (Autoreload
RA in mode 1, T3 Underflow in mode 2, T3A
capture edge in mode 3)
T3ENA
Timer T3 Interrupt Enable for Timer Underflow
or T3A Input capture edge
T3PNDB Timer T3 Interrupt Pending Flag for T3B cap-
ture edge
T3ENB
Timer T3 Interrupt Enable for T3B Input capture
edge
Start/Stop
control
in
timer
10.9.6 HSTCR Register (Address X'00AF)
Reserved
T3HS
T2HS
Bit 7
Bit 0
The HSTCR register contains the following bits:
T3HS Places Timer T3 in High Speed Mode.
T2HS Places Timer T2 in High Speed Mode.
10.9.7 ITMR Register (Address X'00CF)
LSON
HSON
DCEN
CCKS
EL
RSVD
ITSEL2
ITSEL1
ITSEL0
Bit 7
Bit 0
The ITMR register contains the following bits:
LSON
Turns the low speed oscillator on or off.
HSON
Turns the high speed oscillator on or off.
DCEN
Selects the high speed oscillator or the low
speed oscillator as the Idle Timer Clock.
CCKSEL Selects the high speed oscillator or the low
speed oscillator as the primary CPU clock.
RSVD
This bit is reserved and must be 0.
ITSEL2
Idle Timer period select bit.
ITSEL1
Idle Timer period select bit.
ITSEL0
Idle Timer period select bit.
C
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