AM79C940VCW datasheet(118/122 Pages) AMD

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B-1

Am79C940

BSDL Description of Am79C940

MACE JTAG Structure

APPENDIX B

entity Am79C940 is

generic (PHYSICAL_PIN_MAP : string := ”undefined”);

port (

DO0,DO1,DTV_L,INTR_L,LNKST_L,DXRCV_L,RDTREQ_L,RXPOL_L,SF_BD,SRD,

TDO,TDTREQ_L,TXD0,TXD1,TXDAT0,TXP0,TXP1,XTAL2 : out bit;

BE0_L,BE1_L,CI0,CI1,CS_L,DI0,DI1,EAM_R_L,EDSE

L,FDS_L,RESET_L,RXD0,

RXD1,R_W_L,SCLK,SLEEP_L,TCLK,TC_L,TDI,TMS,XTAL1 : in bit;

ADD : in bit_vector (4 downto 0);

CLSN,EOF_L,RXCRS,RXDAT,SRDCLK,STDCLK,TXDAT1,TXEN_L : inout bit;

DBUS : inout bit_vector (15 downto 0);

AVDD1,AVDD2,AVDD3,AVDD4,AVSS1,AVSS2,

DVDD1,DVDD2,DVDDN,DVDDP,DVSS1,DVSS2,DVSSN1,DVSSN2,DVSSN3,DVSSP : linkage bit

);

use STD_1149_1_1990.all;

– get std 1149.1 1990 attributes and definitions

attribute PIN_MAP of am79c940 : entity is PHYSICAL_PIN_MAP;

constant PQFP_PACKAGE : PIN_MAP_STRING :=

“SRDCLK:5, EAM_R_L:6, SRD:7, SF_BD:8, RESET_L:9, SLEEP_L:10,” &

“DVDDP:11,” &

“INTR_L:12, TC_L:13,” &

“DBUS:(36, 35, 33, 32, 31, 29, 25, 24, 23, 22, 21, 19, 18, 17, 16, 14),” &

“DVSSN1:15, DVSSN2:20, DVDDN:34, DVSSN3:37,” &

“EOF_L:38, DTV_L:39, FDS_L:40, BE0_L:41, BE1_L:42, SCLK:43,” &

“TDTREQ_L:44, RDTREQ_L:45, ADD: (50, 49, 48, 47, 46),” &

“R_W_L:55, CS_L:56, RXPOL_L:57, LNKST_L:58,” &

“TDO:59, TMS:60, TCK:61,” &

“DVSS1:62,” &

“TDI:63,” &

“DVDD1:64,” &

“RXD0:65, RXD1:66,” &

“AVDD1:67,” &

“TXP0:68, TXD0:69, TXP1:70, TXD1:71,” &

“AVDD2:72,” &

“XTAL1:73,” &

“AVSS1:74,” &

“XTAL2:75,” &

“AVSS2:79,” &

“DO0:81, DO1:82,” &

“AVDD3:83,” &

“DI0:84, DI1:85, CI0:86, CI1:87,” &

“AVDD4:88,” &

“DVDD2:89,” &

“DXRCV_L:90, EDSEL:91,” &

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