ML67Q4002 OKI [OKI electronic componets], ML67Q4002 Datasheet - Page 7

• Manufacturer Part Number: ML67Q4002
• Description: 32-bit ARM-Based General-Purpose Microcontroller
• Manufacturer: OKI [OKI electronic componets]

LQFP
41
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50
51
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53
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OKI Semiconductor
Pin
BGA
M10
M11
M12
M13
N10
K10
N11
N12
N13
K11
L10
L11
L13
L12
M3
M4
M5
M6
M7
M8
M9
N4
N5
K5
N6
K6
K7
N7
K8
N8
K9
N9
L4
L5
L6
L7
L8
L9
VDD_IO
XA[10]
XA[11]
XA[12]
XA[13]
XA[14]
GND
XA[15]
XA[16]
XA[17]
GND
XA[18]
PIOC[2]
VDD_IO
PIOC[3]
PIOC[4]
PIOC[5]
VDD_CORE
PIOC[6]
PIOC[7]
XOE_N
VDD_IO
XWE_N
XBWE_N[0]
XBWE_N[1]
XROMCS_N
XRAMCS_N
XIOCS_N[0]
GND
XIOCS_N[1]
XIOCS_N[2]
XIOCS_N[3]
PIOD[6]
PIOD[7]
PIOB[0]
PIOB[1]
VDD_IO
PIOB[2]
Symbol
GND
GND
GND
VDD
VDD
VDD
VDD
VDD
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Primary Function
I/O power supply
External address output
External address output
External address output
External address output
External address output
GND
External address output
External address output
External address output
GND
External address output
General port (with interrupt function)
I/O power supply
General port (with interrupt function)
General port (with interrupt function)
General port (with interrupt function)
CORE power supply
General port (with interrupt function)
General port (with interrupt function)
Output enable (excluding SDRAM)
I/O power supply
Write enable
Byte write enable (LSB)
Byte write enable (MSB)
External ROM chip select
External RAM chip select
IO chip select 0
GND
IO chip select 1
IO chip select 2
IO chip select 3
General port (with interrupt function)
General port (with interrupt function)
General port (with interrupt function)
General port (with interrupt function)
I/O power supply
General port (with interrupt function)
Description
—
—
—
—
—
—
—
—
—
—
—
—
XA[19]
—
XA[20]
XA[21]
XA[22]
—
XA[23]
XWR
—
—
—
—
—
—
—
—
—
—
—
—
XDQM[1]/XCAS
_N[1]
XDQM[0]/XCAS
_N[0]
DREQ[0]
DREQCLR[0]
—
DREQ[1]
Symbol
ML674001/67Q4002/67Q4003
Secondary Function
I/O
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
O
O
O
O
O
O
O
O
O
I
I
External address output
External address output
External address output
External address output
External address output
Transfer direction of
external bus
INPUT/OUTPUT
mask/CAS (MSB)
INPUT/OUTPUT
mask/CAS (LSB)
DMA
DREQ Clear Signal
(CH0)
DMA request signal
(CH1)
FEDL674001-01
request signal
Description
7/24
(CH0)