參數(shù)資料
型號(hào)： M37548G3FP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
封裝： 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件頁(yè)數(shù)： 21/84頁(yè)
文件大?。?/td> 1427K
代理商： M37548G3FP
Rev.2.02
Mar 31, 2009
Page 28 of 81
REJ03B0210-0202
7548 Group
Fig 26. Structure of timer mode register
Fig 27. Structure of timer count source set register
Fig 28. Block diagram of timer 1 and timer 2
b7
b0
Timer mode register
(TM: address 002B16, initial value: 0016)
Not used (return “0” when read)
Timer 2 count stop bit
0: Count start
1: Count stop
P13/T2OUT output valid bit
0: Pulse output invalid (I/O port)
1: Pulse output valid
T2OUT polarity selection bit
0: Start from “H” level
1: Start from “L” level
Timer 2 write control bit
0: Write to latch and timer simultaneously
1: Write to only latch
Timer A write control bit
0: Write to latch and timer simultaneously
1: Write to only latch
Timer A count stop bit
0: Count start
1: Count stop
Not used (return “0” when read)
b7
b0
Timer count source set register
(TCSS: address 002C16, initial value: 0016)
Timer 2 count source selection bit
b1 b0
0 0 :
φSOURCE/16
0 1 :
φSOURCE/256
1 0 : Prescaler 12 output
1 1 : Timer A underflow signal
Timer A count source selection bit (Note 1)
b4 b3 b2
0 0 0 :
φSOURCE/16
0 0 1 :
φSOURCE/2
0 1 0 :
φSOURCE/32
0 1 1 :
φSOURCE/64
1 0 0 :
φSOURCE/128
1 0 1 :
φSOURCE/256
1 1 0 : Low-speed on-chip oscillator output
1 1 1 : XCIN input clock
(32 kHz quartz crystal oscillation)
Prescaler 12 count source selection bit
0 :
φSOURCE/16
1 : XCIN input clock
(32 kHz quartz crystal oscillation)
Not used (return “0” when read)
Note 1:
φSOURCE is the clock selected by bits 5 and 4 in the clock mode register (003716).
The timer count sources are not affected by bits 7 and 6, the CPU clock dividing
ratio select bits.
Data bus
Timer 1
interrupt
request
φSOURCE/16
XCIN input clock
(32 kHz quartz
crystal oscillation)
Data bus
Prescaler 12 latch (8)
Timer 1 latch (8)
Prescaler 12 (8)
Timer 1 (8)
φSOURCE/256
φSOURCE/16
Timer 2 count
stop bit
Timer 2 count
source selection bit
Prescaler 12 count
source selection bit
Timer 2
interrupt
request
Timer 2 latch (8)
Timer 2 (8)
Timer A underflow
Timer 2 write
control bit
Toggle flip-flop
T
Q
P13/T2OUT output valid bit
R
T2OUT polarity
selection bit
“1”
“0”
P13/T2OUT
output valid bit
Port P13 latch
Port P13
direction
register
P13/T2OUT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37548G3FP#U0 功能描述:MCU 6K ROM 256K 20-SSOP 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:LPC11Uxx 核心處理器:ARM? Cortex?-M0 芯體尺寸:32-位 速度:50MHz 連通性:I²C，Microwire，SPI，SSI，SSP，UART/USART，USB 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:96KB（96K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 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:48-LQFP 包裝:托盤 其它名稱:568-9587
M37548G3-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37549G1FP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37549G1-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37549G2FP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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