Motorola MSC8101 ADS User Manual download pdf (Page 117)

C-116 MSC8101ADS RevB User’s Manual MOTOROLA

END IF;

T1_EN_OUT~ = T1_EN_OUT_NODE;

T1_1LED = OPNDRN(T1_EN_OUT_NODE);

T234_EN_OUT~ = OPNDRN(T234_EN_OUT_NODE);

FETHIEN_OUT~ = FETHIEN_OUT_NODE;

CODECEN_OUT~ = OPNDRN(CODECEN_OUT_NODE);

DUMMY = OPNDRN(VCC); -- Test Workaround

******************************************************************************

* ATM ENABLE AND RESET LOGIC (Use BCSR1)

******************************************************************************

IF (ATM_EN~ == ATM_ENABLED) THEN ATM_EN_OUT~ = GND;

ELSE ATM_EN_OUT~ = VCC;

END IF;

IF (ATM_RST~ == ATM_RST_ON) # (!HARD_RESET_ACTIVE~) THENATM_RST_OUT~ = GND;

ELSE ATM_RST_OUT~ = VCC;

END IF;

******************************************************************************

* FAST ETHERNET PORT RESET LOGIC (Use BCSR1)

******************************************************************************

IF (FETH_RST~ == FETH_RST_ON) # (!HARD_RESET_ACTIVE~) THEN FETH_RST_OUT~ = GND;

ELSE FETH_RST_OUT~ = VCC;

END IF;

******************************************************************************

* RS232 Transceivers Enable (Use BCSR1)

******************************************************************************

IF (RS232En_1~ == RS232_1_ENABLED) THEN RS232EN_1_OUT~ = GND; -- RS232-1 - active

ELSE RS232EN_1_OUT~ = VCC; -- standby

END IF;

IF (RS232En_2~ == RS232_2_ENABLED) THEN RS232EN_2_OUT~ = GND; -- RS232-2 - active

ELSE RS232EN_2_OUT~ = VCC; -- standby

END IF;

******************************************************************************

* T1/E1 Framer CS

******************************************************************************

IF (FrmCs_In~ == GND) THEN FrmCs_OUT~ = GND;

ELSE FrmCs_OUT~ = VCC;

END IF;

IF ((FrmRst~ == GND) # !HARD_RESET_ACTIVE~)THEN FrmRst_OUT~ = GND;

ELSE FrmRst_OUT~ = VCC;

END IF;

******************************************************************************

* Flash memory handler & Configuration Word

******************************************************************************

F_PD[4..1]= FLASH_PD_IN[4..1]; -- load “Flash Presence Detect” lines

SM73288X = (F_PD[] == 0);-- 32MByte (4 X 8 MByte banks)

SM73248X = (F_PD[] == 1);-- 16MByte (2 X 8 MByte banks)

Frees

cale Semiconductor,

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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