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参数资料
| 型号： | ST6240BQ6/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封装： | PLASTIC, QFP-80 |
| 文件页数： | 37/73页 |
| 文件大小： | 1963K |
| 代理商： | ST6240BQ6/XXX |
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ST62T40B/E40B
TIMER 1& 2 (Cont’d)
4.2.6 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.
70
TMZ
ETI
D5
D4
PSI
PS2
PS1
PS0
PS2
PS1
PS0
Divided by
0
1
0
1
2
0
1
0
4
01
1
8
10
0
16
10
1
32
11
0
64
1
128
70
D7
D6
D5
D4
D3
D2
D1
D0
70
D7
D6
D5
D4
D3
D2
D1
D0
42
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST6240-P/QFP | 功能描述:插座和适配器 ST62 P/QFP Adaptor RoHS:否 制造商:Silicon Labs 产品:Adapter 用于:EM35x |
| ST6240Q1/XX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| ST6240Q6/XX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| ST6242 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER |
| ST6242B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-BIT MICROCONTROLLER ( MCU ) WITH OTP. ROM. FASTROM. EPROM. LCD DRIVER. EEPROM. A/D CONVERTER AND 64 PINS |
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