參數(shù)資料
型號： ML67Q4003TC
廠商： LAPIS SEMICONDUCTOR CO LTD
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 33.333 MHz, RISC MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 3/25頁
文件大?。?/td> 229K
代理商： ML67Q4003TC
FEDL674001-01
OKI Semiconductor
ML674001/67Q4002/67Q4003
10/24
PIN DESCRIPTION
Pin Name
I/O
Description
Primary/
Secondary
Logic
System
RESET_N
I
Reset input
—
Negative
BSEL[1:0]
I
Boot device select signal
BSEL[1] BSEL[0]
Boot device
0
Internal Flash (External ROM for ML674001)
0
1
External ROM
1
*
Boot mode
The selected device is mapped to BANK0 (0x0000_0000 - 0x07FF_FFFF)
after reset.
—
Positive
OSC0
I
Crystal connection or external clock input.
Connect a crystal (16 MHz to 33 MHz), if used, to OSC0 and OSC1_N.
It is also possible to input a direct clock.
—
OSC1_N
O
Crystal connection.
When not using a crystal, leave this pin unconnected.
—
CKO
O
Clock out
—
CKOE_N
I
Clock out enable
—
Negative
Debugging support.
TCK
I
Debugging pin. Normally connect to ground level.
—
TMS
I
Debugging pin. Normally drive at High level.
—
Positive
nTRST
I
Debugging pin. Normally connect to ground level.
—
Negative
TDI
I
Debugging pin. Normally drive at High level.
—
Positive
TDO
O
Debugging pin. Normally leave open.
—
Positive
General-purpose I/O ports
PIOA[7:0]
I/O
General-purpose port.
Not available for use as port pins when secondary functions are in use.
Primary
Positive
PIOB[7:0]
I/O
General-purpose port.
Not available for use as port pins when secondary functions are in use.
Primary
Positive
PIOC[7:0]
I/O
General-purpose port.
Not available for use as port pins when secondary functions are in use.
Primary
Positive
PIOD[7:0]
I/O
General-purpose port.
Not available for use as port pins when secondary functions are in use.
Note that enabling DRAM controller with DRAME_N inputs permanently
configures PIOD[7:0] for their secondary functions, making them
unavailable for use as port pins.
Primary
Positive
PIOE[9:0]
I/O
General-purpose port.
Not available for use as port pins when secondary functions are in use.
Primary
Positive
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