Manual

AT75C310
3
AT75C310 Pin Description
Table 2. AT75C310 Pin Description
Block Pin Name Type Function
Common Bus
A[21:0] O Address Bus
D[15:0] I/O Data Bus
NREQ I Bus Request
NGNT O Bus Grant
Dynamic Memory
Controller
NRAS[1:0] O Row Address Strobe
NCAS[1:0] O Column Address Strobe
NDWE O DRAM Write Enable
NDOE O DRAM Output Enable
Static Memory
Controller
NCE[3:0] O Chip Selects
NWE[1:0] O Byte Select/Write Enable
NSOE O SRAM Output Enable
I/O Port A PA[12:0] I/O General Purpose I/O Lines. Multiplexed with peripheral I/Os
I/O Port B PB[9:0] I/O General Purpose I/O Lines. Multiplexed with peripheral I/Os
DSP Subsystem A
OakAIN[1:0] I OakDSPCore A User Inputs
OakAOUT[1:0] O OakDSPCore A User Outputs
DSP Subsystem B
OakBIN[1:0] I OakDSPCore B User Inputs
OakBOUT[1:0] O OakDSPCore B User Outputs
Timer/Counter 0
TCLK0 I Timer 0 External Clock
TIOA0 I/O Timer 0 Signal A
TIOB0 I/O Timer 0 Signal B
Timer/Counter 1
TCLK1 I Timer 1 External Clock
TIOA1 I/O Timer 1 Signal A
TIOB1 I/O Timer 1 Signal B
Watchdog NWDOVF O Watchdog Overflow
Serial Peripheral
Interface
MISO I/O Master In/Slave Out
MOSI I/O Master Out/Slave In
SPCK I/O Serial Clock
NPCSS I/O Chip Select/Slave Select
NPSC1 O Optional SPI Chip Select 1