參數(shù)資料
型號(hào): M37548G1FP
元件分類(lèi): 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): 50/84頁(yè)
文件大小: 1427K
代理商: M37548G1FP
Rev.2.02
Mar 31, 2009
Page 54 of 81
REJ03B0210-0202
7548 Group
QzROM Writing Mode
In the QzROM writing mode, the user ROM area can be written
while the microcomputer is mounted on-board by using a serial
programmer which is applicable for this microcomputer.
Table 10 lists the pin description (QzROM writing mode) and
Figure 70 shows the pin connections.
Refer to Figure 71 and Figure 72 for examples of a connection
with a serial programmer.
Contact the manufacturer of your serial programmer for serial
programmer.
Refer to the user's manual of your serial programmer for details
on how to use it.
Table 10 Pin description (QzROM writing mode)
Fig 70. Pin connection diagram (M37548G3/G2/G1FP)
Pin
Name
I/O
Function
VCC, VSS
Power source
Input
Apply 2.7 to 5.5 V to VCC, and 0 V to VSS.
RESET
Reset input
Input
Reset input pin.
P21 /XIN
Clock input
Input
Set the same termination as the single-chip mode.
P20 /XOUT
Clock output
Output
P00
P05
P11
P15
I/O port
I/O
Input “H” or “L” level signal or leave the pin open.
CNVSS
VPP input
Input
QzROM programmable power source pin.
P10
ESDA I/O
I/O
Serial data I/O pin.
P06
ESCLK input
Input
Serial clock input pin.
P07
ESPGMB input
Input
Read/program pulse input pin.
Package type: PLSP0020JB-A (20P2F-A)
P13/AN3/KEY3/T2OUT
P12/AN2/KEY2/CMP2
P11/AN1/KEY1/CMP1
P10/AN0/KEY0/CMP0
P07(LED7)/SRDY
P06(LED6)/SCLK
P05(LED5)/TxD
P04(LED4)/RxD
P03(LED3)/CAP0
P02(LED2)
RESET
P15/AN5/KEY5
P14/AN4/KEY4
P20/XOUT/XCOUT
VSS
VCC
P21/XIN/XCIN
CNVSS
P00(LED0)/INT0
P01(LED1)/INT1
12
11
13
14
15
16
17
18
19
20
M
37548
G
3
/G
2/
G
1
FP
10
9
8
7
6
5
4
3
2
1
RESET
GND
VCC
VPP
ESDA
ESPGMB
ESCLK
: Set the same termination as
the single-chip mode.
: QzROM pin
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M37548G3FP#U0 功能描述:MCU 6K ROM 256K 20-SSOP RoHS:是 類(lèi)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(lèi)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(pán) 其它名稱:568-9587