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ML67Q5003TC 参数 Datasheet PDF下载

ML67Q5003TC图片预览
型号: ML67Q5003TC
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microcontroller, 32-Bit, FLASH, 60MHz, CMOS, PQFP144, 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144]
分类和应用: 时钟微控制器外围集成电路
文件页数/大小: 20 页 / 650 K
品牌: OKI [ OKI ELECTRONIC COMPONETS ]
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ML675001/ML67Q5002/ML67Q5003  
Pin Descriptions  
Primary/  
Pin Name  
I/O  
Description  
Secondary  
Logic  
System  
RESET_N  
BSEL[1:0]  
I
I
Reset input  
Negative  
Positive  
Boot device select signal.  
BSEL[1]  
BSEL[0]  
Boot device  
L
L
L
H
*
Internal Flash (External ROM for ML675001)  
External ROM  
H
Boot ROM (* = don’t care)  
The selected device is mapped to BANK0 (0x0000_0000 - 0x07FF_FFFF) after reset.  
Clock mode inputs. Normally connected to GND.  
CLKMD[1:0]  
OSC0  
I
I
Positive  
Crystal oscillator connection or external clock input.  
If used, connect a crystal oscillator (5 MHz to 14 MHz) to OSC0 and OSC1_N.  
It is also possible to input a direct clock (5 MHz, 20 MHz to 56 MHz).  
OSC1_N  
O
Oscillation output pin.  
When not using a crystal oscillator, leave this pin unconnected.  
CKO  
O
I
Clock out.  
CKOE_N  
Clock out enable.  
Negative  
JTAG Interface  
TCK  
I
I
Debugging pin. Normally connect to ground level.  
Debugging pin. Normally drive at High level.  
Debugging pin. Normally connect to ground level.  
Debugging pin. Normally drive at High level.  
Debugging pin. Normally leave open.  
TMS  
Positive  
Negative  
Positive  
Positive  
nTRST  
I
TDI  
I
TDO  
O
General-purpose I/O Interface  
PIOA[7:0]  
I/O  
I/O  
I/O  
I/O  
General-purpose port.  
Not available for use as port pins when secondary functions are in use.  
Primary  
Primary  
Primary  
Primary  
Positive  
Positive  
Positive  
Positive  
PIOB[7:0]  
PIOC[7:0]  
PIOD[7:0]  
General-purpose port.  
Not available for use as port pins when secondary functions are in use.  
General-purpose port.  
Not available for use as port pins when secondary functions are in use.  
General-purpose port.  
Not available for use as port pins when secondary functions are in use.  
Note that enabling the DRAM controller by asserting the DRAME_N inputs permanently con-  
figures PIOD[7:0] for their secondary functions, making them unavailable for use as port  
pins.  
PIOE[9:0]  
I/O  
O
General-purpose port. Not available for use as port pins when secondary functions are in  
use.  
Primary  
Positive  
Positive  
External Bus Interface (Global)  
XA[23:19]  
Address bus to external RAM, external ROM, external I/O banks, and external DRAM.After  
a reset, these pins are configured for their primary function PIOC[6:2].  
Secondary  
XA[18:0]  
XD[15:0]  
O
Address bus to external RAM, external ROM, external I/O banks, and external DRAM.  
Data bus to external RAM, external ROM, external I/O banks, and external DRAM.  
Positive  
Positive  
I/O  
External Bus Interface (ROM, SRAM and I/O)  
XROMCS_N  
XRAMCS_N  
XIOCS_N[0]  
XIOCS_N[1]  
XIOCS_N[2]  
O
O
O
O
O
ROM bank chip select.  
SRAM bank chip select.  
I/O chip select 0.  
Negative  
Negative  
Negative  
Negative  
Negative  
I/O chip select 1.  
I/O chip select 2.  
12 • Oki Semiconductor  
April 2004, Rev 2.0