TMS320C10, TMS320C10-14, TMS320C10-25
DIGITAL SIGNAL PROCESSORS
SPRS009C–JANUARY 1987–REVISED JULY 1991
TERMINAL FUNCTIONS
†
NAME
A11-A0/PA2-PA0
I/O
DEFINITION
O
I
External address bus. I/O port address multiplexed over PA2-PA0.
External polling input
BIO
CLKOUT
D15-D0
DEN
O
System clock output, 1/4 crystal/CLKIN frequency
16-bit parallel data bus
I/O
O
I
Data enable for device input data on D15-D0
External interrupt input
INT
MC/MP
MEN
NC
I
Memory mode select pin. High selects microcomputer mode. Low selects microprocessor mode.
Memory enable indicates that D15-D0 will accept external memory instruction.
No connection
O
O
I
RS
Reset for initializing the device
V
V
I
+ 5 V supply
CC
I
Ground
SS
WE
O
O
I
Write enable for device output data on D15-D0
Crystal output for internal oscillator
X1
X2/CLKIN
Crystal input internal oscillator or external system clock input
†
Input/Output/High-impedance state.
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