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參數(shù)資料
| 型號： | ST624XB-KIT |
| 英文描述： | STARTER KIT DATASHEET FOR ST624X |
| 中文描述： | 入門套件小冊子的ST624X |
| 文件頁數(shù)： | 43/74頁 |
| 文件大?。?/td> | 733K |
| 代理商： | ST624XB-KIT |
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ST62T46B/E46B
TIMER
1& 2
(Cont’d)
4.2.5 TIMER 2 Registers
Timer Status Control Register (TSCR)
Address: 0D7h
—
Read/Write
Bit 7 =
TMZ
:
Timer Zero bit
A low-to-high transition indicates that the timer
count register has decrement to zero. This bit
must be cleared by user software before starting a
new count.
Bit 6 =
ETI
:
Enable Timer Interrup
When set, enables the timer interrupt request. If
ETI=0 the timer interrupt is disabled. If ETI=1 and
TMZ=1 an interrupt request is generated.
Bit 5 =
D5
:
Reserved
Must be set to “1”.
Bit 4 =
D4
Do not care.
Bit 3 =
PSI
:
Prescaler Initialize Bit
Used to initialize the prescaler and inhibit its count-
ing. When PSI=“0” the prescaler is set to 7Fh and
the counter is inhibited. When PSI=“1” the prescal-
er is enabled to count downwards. As long as
PSI=“0” both counter and prescaler are not run-
ning.
Bit 2, 1, 0 =
PS2, PS1, PS0
:
Prescaler Mux. Se-
lect.
These bits select the division ratio of the pres-
caler register.
Timer Counter Register (TCR)
Address: 0D6h
—
Read/Write
Bit 7-0 =
D7-D0
:
Counter Bits.
Prescaler Register PSC
Address: 0D5h
—
Read/Write
Bit 7 =
D7
: Always read as "0".
Bit 6-0 =
D6-D0
: Prescaler Bits.
7
0
TMZ
ETI
D5
D4
PSI
PS2
PS1
PS0
PS2
0
0
0
0
1
1
1
1
PS1
0
0
1
1
0
0
1
1
PS0
0
1
0
1
0
1
0
1
Divided by
1
2
4
8
16
32
64
128
7
0
D7
D6
D5
D4
D3
D2
D1
D0
7
0
D7
D6
D5
D4
D3
D2
D1
D0
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PDF描述 |
|---|---|
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| ST6242B | 8-BIT MICROCONTROLLER ( MCU ) WITH OTP. ROM. FASTROM. EPROM. LCD DRIVER. EEPROM. A/D CONVERTER AND 64 PINS |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ST624XB-KIT/110 | 功能描述:開發(fā)板和工具包 - 其他處理器 ST624X Starter Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
| ST624XB-KIT/UK | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ST62 KIT |
| ST6252 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER AND EEPROM |
| ST6252BB1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, AUTO-RELOAD TIMER AND EEPROM |
| ST6252BB1/XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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