SC220-40 데이터 시트보기 (PDF) - Zarlink Semiconductor Inc

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SC220-40

XpressFlow Engine XpressFlow 2020 Ethernet Routing Switch Chipset

Zarlink Semiconductor Inc 

PRELIMINARY

XpressFlow-2020 Series –

Ethernet Switch Chipset

INFORMATION

SC220

XpressFlow Engine

Pin No(s).

Symbol

Type

Name & Functions

XpressFlow Bus Interface

185,184,183,182,180,

179,177,176,175,174,

172,171,169,168,167,

166,164,163,160,159,

157,156,154,153,151,

150,149,148,146,145,

143,142

P_D[31:0]

TTL I/O-TS Management Bus – Data Bit [31:0]

(5VT)

211,210,208,207,205,

204,203,202,201,199,

198

P_A[11:1]

TTL Input Management Bus – Address Bit [11:1]

(5VT)

196

P_ADS#

TTL Input Management Bus – Address Strobe

(5VT)

191

P_RWC

TTL Input Management Bus – Read/Write Control

(5VT)

183

P_RDY#

CMOS Out- Management Bus – Data Ready

OD

184

P_BS16#

CMOS Out- Management Bus – 16 bit Data Bus

OD

185

P_CS#

TTL Input Management Bus – Chip Select

(5VT)

189

P_RSTIN#

TTL In-ST System RESET Input

(5VT)

190

P_RSTOUT CMOS Output CPU RESET Output

192

P_INT

CMOS Output Management Bus – Interrupt Request

187

P_CLK

TTL Input CPU Clock

(5VT)

Control Buffer Memory Interface

60,59,58,57,56,54,53,51, L_D[31:0]

50,49,48,47,46,45,43,42,

40,39,38,37,36,34,33,30,

29,27,26,25,24,23,22,21,

TTL I/O-TS Local Memory Bus – Data Bit [31:0]

8,6,5,3,2,1,256,255,254, L_A[18:2]

253,251,250,248,247,

246,245,244

CMOS Output Local Memory Bus – Address Bit [17:2]

9

L_A[19] /

CMOS Output Local Memory Bus – Address Bit [19:18]

L_OE[3]#

or Memory Read Chip Select [3]

63, 11, 19

L_OE[2:0]# CMOS Output Local Memory Bus- Read Chip Select

[2:0]

242, 62, 10, 18

L_WE[3:0]#, CMOS Output Local Memory Bus – Write Chip Select

[3:0]

12,13,14,15

L_BWE[3:0]# CMOS Output Local Memory Bus – Byte Write Enable

[3:0]

16

L_ADSC# CMOS Output Local Memory Bus – Controller Address

Status

66

L_CLK

CMOS Output Local Memory Bus – Synchronous Clock

© 1998 Vertex Networks, Inc.

5

1999

Rev. 4.5 – February

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