ML674000
Oki Semiconductor
Pin Number
LFBG
Primary Function
Function
Secondary Function
Pin Name I/O Function
DMA request signal (Ch 1)
TQFP
112
113
114
115
116
117
118
Pin Name I/O
A
General-purpose port (with interrupt
function)
D7
PIOB[2]
PIOB[3]
PIOB[4]
PIOB[5]
GND_IO
PIOB[6]
PIOB[7]
I/O
I/O
I/O
I/O
DREQ1
DREQCLR1
TCOUT0
TCOUT1
—
I
General-purpose port (with interrupt
function)
C7
A7
C6
D6
B6
B5
O
O
O
—
O
O
DREQ clear signal (Ch 1)
General-purpose port (with interrupt
function)
DMA Termination Signal (CH 0)
DMA Termination Signal (CH 1)
General-purpose port (with interrupt
function)
GN
D
I/O ground
General-purpose port (with interrupt
function)
I/O
I/O
PWMOUT0
PWMOUT1
PWM output (Ch 0)
PWM output (Ch 1)
General-purpose port (with interrupt
function)
119
120
A6
D5
XBS_N[0]
XBS_N[1]
O
O
External bus byte select (LSB)
External bus byte select (MSB)
—
—
—
—
General-purpose port (with interrupt
function)
121
122
123
124
125
B4
A5
C5
C4
A4
PIOB[8]
PIOB[9]
I/O
I/O
I/O
I/O
I/O
I/O
XWAIT
XCAS_N
XRAS_N
XSDCLK
XSDCS_N
I
WAIT input for IO bank 0
General-purpose port (with interrupt
function)
Column address strobe
(SDRAM)
O
O
O
O
General-purpose port (with interrupt
function)
Row address strobe
(SDRAM/EDO)
PIOB[10]
PIOB[11]
PIOB[12]
PIOB[13]
General-purpose port (with interrupt
function)
SDRAM clock
General-purpose port (with interrupt
function)
SDRAM chip select
Clock enable (SDRAM)
General-purpose port (with interrupt
function)
126
127
128
B3
D4
B2
XSDCKE
O
—
—
VDD_IO VDD I/O power supply
GN
—
—
GND_IO
I/O ground
D
Note: A1, C3, H2, M2, K6, M7, N7, M12, N13, L11, C13, B13, A13, C11, A3, A2 pins of LFBGA packaged version are NC
pins. These pins must remain unconnected.
9/22
OKI [ OKI ELECTRONIC COMPONETS ]
