- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄69013 > M37517F8HP 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PQFP48 PDF資料下載
參數(shù)資料
| 型號： | M37517F8HP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 36/100頁 |
| 文件大小： | 899K |
| 代理商： | M37517F8HP |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁當前第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁
Rev.1.01
Aug 02, 2004
page 38 of 96
7517 Group
Fig. 44 Block diagram of Current integrator
Current Integrator
Current integrator integrates the current which flows through
sense resistor (10 m
) connected between ISENS0 pin and
ISENS1 pin. The current between sense resistor makes electrical
potential difference between ISENS0 pin and ISENS1 pin, and it is
integrated by the built-in integrator. The output of integrator is con-
nected to comparator, and the integrator and comparator
measures about 1 mA current.
Setting the current integrate enable bit “1”, the current integrator
starts the operation.
Current integrate mode
Setting the current integrate mode bit “0”, input of the level shift
circuit is connected to the ISENS1 pin and ISENS0 pin, and the
current integrator measures the electrical potential difference be-
tween ISENS1 pin and ISENS0 pin. Each electrical potential of the
ISENS1 pin and ISENS0 pin is added AVCC/2 by level shift circuit,
and then output of the level shift circuit is input to integrator. This
makes enable to minus level input to ISENS1 pin, and the current
integrator can measure both polarity current.
The output of the integrator is connected to the comparator. The
integrator integrates input voltage between ISENS1 pin and
ISENS0 pin. And when output of the integrator amounts to com-
pared voltage, output of the comparator rises “H”, and charge
(discharge) counter is increased 1 count. And at the same time,
electric charge of the integrator’s capacitor is discharged, then the
integrator starts next integration. Charge (Discharge) counter is
counting the number of the times “H” output of the comparator
during integration period (125 ms), and at the end of the period,
charge (discharge) counter is latched onto charge (discharge)
counter latch. Then charge (discharge) counter is cleared “0”, and
starts new count. At the end of the period, current integrate inter-
rupt occurs also.
The current integrator has 2 set of comparator and counter for dis-
charge and charge, and only discharge counter counts up in
discharge state, and only charge counter counts up in charge
state. The integrator and comparator are designed to sense ap-
proximate 1 mA current, then 1 count of counter means
approximate 1 mA Therefore reading the value of counter latch
means measuring the total current which flows the sense resistor
during integrate period (125 ms).
The calibration integrates the current of the period selected by the
calibration period selection bits, after discharging the electric
charge accumulated in the capacitor of the integrator.
Level shift
circuit
XX0
001
011
101
XX0
001
011
101
ISENS0
ISENS1
10m
b2b1b0
Current integrate control register
XX0 : Current integrate mode
001 : Zero calibration
011 : Full calibration for discharge
101 : Full calibration for charge
Calibration control signal
AD conversion
complete signal
Edge detect
XCIN
125 ms Timer
125
ms
over
flow
Calibration control signal
Calibration
control circuit
Charge counter
Charge counter latch
Discharge counter
Discharge
counter latch
Current integrate
interrupt
Calibration control signal
AD conversion
complete signal
Data Bus
10bit AD
ANi
0.1V
相關PDF資料 |
PDF描述 |
|---|---|
| M37532RSS | 8-BIT, 6 MHz, MICROCONTROLLER |
| M37544G2GP | 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP32 |
| M37544M2-XXXSP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32 |
| M37544M2-XXXSP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP32 |
| M37544M2-XXXGP | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M37530T-PTC | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Converter for Connecting 42-pin 1.778mm-pitch SDIP to a 40-pin Narrow-pitch Connector (for 7531, 7540, 7542 and 7544 Groups) |
| M37530T-PTCB | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Converter for Connecting 40-pin Narrow-pitch Connector to 32-pin 0.8mm-pitch LQFP (for 7531, 7532, 7534, 7540, 7542 and 7544 Groups) |
| M37530T-PTCC | 功能描述:DEV 42-PIN RSS/MCU TO 32-PIN 1.7 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 配件 系列:- 標準包裝:1 系列:- 附件類型:適配器板 適用于相關產品:RCB230，RCB231，RCB212 配用:26790D-ND - RCB BREAKOUT BOARD RS232 CABLE |
| M37531E4FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37531E4FP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MITSUBISHI 8 BIT OTP MCU |
發(fā)布緊急采購，3分鐘左右您將得到回復。