STLC5466 datasheet(11/130 Pages) STMICROELECTRONICS

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STLC5466

112

D11

I/O6_ft

Data bit 11 for

µP if not multiplexed

113

D12

I/O6_ft

Data bit 12 for

µP if not multiplexed

114

D13

I/O6_ft

Data bit 13 for

µP if not multiplexed

115

D14

I/O6_ft

Data bit 14 for

µP if not multiplexed

116

D15

I/O6_ft

Data bit 15 for

µP if not multiplexed

MEMORY INTERFACE

119

TRI

I3_ft

Token Ring Input (for use

Multi-HDLCs in cascade)

120

TRO

O4_fnt

Token Ring Output (for use

Multi-HDLCs in cascade)

121

NWE

O8T_fnt Write Enable for SDRAM

122

NRAS

O8T_fnt Row Address Strobe for SDRAM

123

NCE0

O8T_fnt Chip Select 0 for SDRAM

124

LDQM

O8T_fnt Lower Data inputs/outputs mask enable for SDRAM

125

NCE1

O8T_fnt Chip Select 1 for SDRAM

126

UDQM

O8T_fnt Upper Data inputs/outputs mask enable for SDRAM

127

NCE2/

ADM12

O8T_fnt Chip Select 2 for SDRAM/

Address bit 12 for 8Mx8 SDRAM circuit

129

NCE3/ADM13

O8T_fnt Chip Select 3 for SDRAM/Address bit 13 for 8Mx8 SDRAM circuit

137

ADM0

O8T_fnt Address bit 0 for SDRAM

138

ADM1

O8T_fnt Address bit 1 for SDRAM

139

ADM2

O8T_fnt Address bit 2 for SDRAM

140

ADM3

O8T_fnt Address bit 3 for SDRAM

141

ADM4

O8T_fnt Address bit 4 for SDRAM

142

ADM5

O8T_fnt Address bit 5 for SDRAM

143

ADM6

O8T_fnt Address bit 6 for SDRAM

144

ADM7

O8T_fnt Address bit 7 for SDRAM

145

ADM8

O8T_fnt Address bit 8 for SDRAM

146

ADM9

O8T_fnt Address bit 9 for SDRAM

149

ADM10

O8T_fnt Address bit 10 for SDRAM

150

ADM11

O8T_fnt Address bit 11 for SDRAM

151

NCAS

O8T_fnt Column Address Strobe for SDRAM

152

SCANM

I5_ft

Scan mode reserved for device test

154

DM0

I/O8_fnt SDRAM Data bit 0

155

DM1

I/O8_fnt SDRAM Data bit 1

156

DM2

I/O8_fnt SDRAM Data bit 2

157

DM3

I/O8_fnt SDRAM Data bit 3

158

DM4

I/O8_fnt SDRAM Data bit 4

161

DM5

I/O8_fnt SDRAM Data bit 5

Pin N°

Symbol

Type

Function

Type

ft: five volts tolerant

fnt: five volts not tolerant

TTL

I1_ft = Input TTL

I2_ft = I1_ft+pull up

I3_ft = I1_ft+hysteresis

I4_ft = I3_ft+pull up

TTL

I/O6 _ft = Input TTL/ Output TTL 6 mA

I5_ft = I3_ft+pull down;

TTL

O3 _ft = Output TTL 3 mA

O3T_ft = O3_ft+Tristate

O6_ft = Output TTL 6mA

TTL

O6D_ft = Output TTL 6mA, Open Drain

O6DT_ft = Output TTL 6mA, Open Drain or Tristate

CMOS

I/O8_fnt = Input TTL, /Output CMOS 8mA;

O8T_fnt = Output CMOS

8mA

I/O8_fnt = Input TTL, /Output CMOS

8mA

CMOS

O4_fnt = Output CMOS 4mA

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