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参数资料
| 型号： | MSC1210Y4PAGR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP64 |
| 封装： | GREEN, PLASTIC, TQFP-64 |
| 文件页数： | 85/94页 |
| 文件大小： | 913K |
| 代理商： | MSC1210Y4PAGR |
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MSC1210
SBAS203J MARCH 2002 REVISED JANUARY 2008
www.ti.com
86
Seconds Timer Interrupt (SECINT)
7
6
5
4
3
2
1
0
Reset Value
SFR F9h
WRT
SECINT6
SECINT5
SECINT4
SECINT3
SECINT2
SECINT1
SECINT0
7Fh
This system clock is divided by the value of the 16-bit register MSECH:MSECL. Then, the 1ms timer tick is divided by the
register HMSEC that provides the 100ms signal used by this seconds timer. Therefore, the seconds timer can generate
an interrupt that occurs from 100ms to 12.8 seconds. Reading this register clears the Seconds Interrupt. This Interrupt can
be monitored in the AIE register.
WRT
Write Control. Determines whether to write the value immediately or wait until the current count is finished.
bit 7
Read = 0.
0 = Delay Write Operation. The SEC value is loaded when the current count expires.
1 = Write Immediately. The counter is loaded once the CPU completes the write operation.
SECINT60 Seconds Count. Normal operation uses 100ms as the clock interval, and would equal: (SEC + 1)/10 seconds.
bits 60
Seconds Interrupt = (1 + SEC)
(HMSEC + 1) (MSEC + 1) tCLK
Milliseconds Interrupt (MSINT)
7
6
5
4
3
2
1
0
Reset Value
SFR FAh
WRT
MSINT6
MSINT5
MSINT4
MSINT3
MSINT2
MSINT1
MSINT0
7Fh
The clock used for this timer is the 1ms clock, which results from dividing the system clock by the values in registers
MSECH:MSECL. Reading this register clears the milliseconds interrupt. AI in EICON (SFR D8h) must also be cleared.
WRT
Write Control. Determines whether to write the value immediately or wait until the current count is finished.
bit 7
Read = 0.
0 = Delay Write Operation. The MSINT value is loaded when the current count expires.
1 = Write Immediately. The MSINT counter is loaded once the CPU completes the write operation.
MSINT60
Seconds Count. Normal operation would use 1ms as the clock interval.
bits 60
MS Interrupt Interval = (1 + MSINT)
(MSEC + 1) tCLK
One Microsecond Register (USEC)
7
6
5
4
3
2
1
0
Reset Value
SFR FBh
0
FREQ4
FREQ3
FREQ2
FREQ1
FREQ0
03h
FREQ40
Clock Frequency 1. This value + 1 divides the system clock to create a 1
s clock.
bits 40
USEC = CLK/(FREQ + 1). This clock is used to set Flash write time. See FTCON (SFR EFh).
One Millisecond Low Register (MSECL)
7
6
5
4
3
2
1
0
Reset Value
SFR FCh
MSECL7
MSECL6
MSECL5
MSECL4
MSECL3
MSECL2
MSECL1
MSECL0
9Fh
MSECL70 One Millisecond Low. This value in combination with the next register is used to create a 1ms clock.
bits 70
1ms = (MSECH
256 + MSECL + 1) tCLK. This clock is used to set Flash erase time. See FTCON (SFR EFh).
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相关代理商/技术参数 |
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| MSC1210Y4PAGRG4 | 功能描述:模数转换器 - ADC Prec ADC w/ 8051 Mcntrl & Flash RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MSC1210Y4PAGT | 功能描述:模数转换器 - ADC Prec ADC w/ 8051 Mcntrl & Flash RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MSC1210Y4PAGTG4 | 功能描述:模数转换器 - ADC Prec ADC w/ 8051 Mcntrl & Flash RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MSC1210Y5 | 制造商:TI 制造商全称:Texas Instruments 功能描述:Precision Analog-to-Digital Converter (ADC) with 8051 Microcontroller and Flash Memory |
| MSC1210Y5PAGR | 功能描述:模数转换器 - ADC Prec ADC w/ 8051 Mcntrl & Flash RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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