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46
92
DQML
SDRAM low-byte data output mask control signal, high active.
For SDRAM application only.
Default : 4mA, slew rate
112
CASH#/
Column Address Strobe High/RAM Write Enable High. When a
RWEH#
16-bit DRAM is used, this active-low pin functions as Column
address Strobe High for accessing the upper bytes of a two-CAS#
RAM, or as Write Enable High for writng the upper bytes of a
two-WE# RAM.
For SDRAM application, this pin is change to DQMH and is used
to as SDRAM high-byte data mask control signal, high active.
Default : 4mA, slew rate
113
CLK
SDRAM clock output. For SDRAM application only.
Default : 4mA, slew rate.
114
CKE
SDRAM clock enable signal output. For SDRAM application only.
Default : 4mA, slew rate.
102~104,
RD15~RD0
RAM Data Bus. These pins are the bi-directional upper Buffer
106~110,
RAM data bus to the external buffer memory.
93~94, 96~101
Default : 4mA, slew rate, pull-up, no SMT.
115, 82,
RD11~RA0
RAM Address Bus [11:0].
116~121,
Default : 4mA, slew rate.
77~79, 81
Audio Output Interface (6)
122
ADGO
Digital Audio Output. The signal is the Digital Audio Output which
supplies the IEC-958 digital audio data.
Default : 2mA.
127
DACVDD33
Analog Power(3.3V)
Power supply for internal audio DAC circuitry.
126
RO
Analog Output
Right channel of audio.
125
DACVREF
Analog Output
Reference voltage for external audio filter circuit.
124
LO
Analog Output
Left channel of audio.
123
AUDACVSS
Ground
Ground pin for internal audio DAC circuitry.
IPLL VCO (2)
163
IPLLVDD33
Analog power(3.3V)
Power supply for IPLL circuitry.
162
IPLLVSS
Ground
Ground pin for IPLL circuitry.
HOST Interface (32)
128
DEVSEL
Device Select. Cleared to zero indicates the MT1618 is master
device. Set to one indicates the MT1618 is slave device.
3.3V LVTTL output,
PSR,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL Output,
PSR,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL I/O,
PSR,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL Output,
PSR,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL I/O,
PSR, PSMT,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR,
75K PPU, 75K PPD
3.3V LVTTL Output,
PSR,
2mA, 4mA, 6mA,
8mA, 10mA, 12mA,
14mA, 16mA PDR
3.3V LVTTL output,
slew rate,
4mA, 8mA PDR
3.3V LVTTL Input,
SMT, 75K pull-up