參數(shù)資料
型號(hào)： M37542F8GP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32
封裝： 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數(shù)： 88/124頁
文件大?。?/td> 1238K
代理商： M37542F8GP
7542 Group
Rev.3.03
Jul 11, 2008
Page 64 of 117
REJ03B0006-0303
Fig. 82 Block diagram of internal clock generating circuit (for ceramic resonator)
Fig. 83 Block diagram of internal clock generating circuit (for RC oscillation)
S
R
Q
S
R
Q
1/2
R
S
Q
(Note)
1/4
1/2
WIT
instruction
STP instruction
Timing φ
(Internal
clock)
STP instruction
Interrupt request
Reset
Interrupt disable flag l
High-speed mode
Middle-speed mode
Prescaler 1
Timer 1
Clock division
ratio selection bits
Double-speed mode
On-chip oscillator
mode
On-chip oscillator
XOUT
XIN
1/16
Clock division ratio selection bits
Middle-, high-, double-speed mode
On-chip oscillator mode
1/4
1/2
On-chip oscillator division
ratio selection bits
ROSC/128
ROSC/8
ROSC/2
ROSC/1
RESET
Although a feed-back resistor exists on-chip, an external feed-back resistor
may be needed depending on conditions.
Note:
S
R
Q
S
R
Q
1/2
R
S
Q
1/4
1/2
WIT
instruction
STP instruction
Timing φ
(Internal clock)
STP instruction
Interrupt request
Reset
Interrupt disable flag l
High-speed mode
Middle-speed mode
Prescaler 1
Timer 1
Clock division
ratio selection bits
Double-speed mode
RING
XOUT
XIN
Delay
Clock division ratio selection bits
Middle-, high-, double-speed mode
On-chip
oscillator
mode
RESET
On-chip oscillator
mode
On-chip oscillator division
ratio selection bits
On-chip oscillator
1/16
1/4
1/2
ROSC/128
ROSC/8
ROSC/2
ROSC/1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37542F8GP#U0 功能描述:MCU 3/5V 32K+4K PB-FREE 32-LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:740/38000 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR)
M37542F8GPSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP MICROCOMPUTER
M37542F8HP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37542F8SP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37542F8SP#U0 制造商:Renesas Electronics Corporation 功能描述:MCU 4.0/5.5V 32K PB-FREE 32-SDIP - Trays
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