SMJ320C6701_07 Datasheet, PDF (9/64 Pages) Texas Instruments – FLOATING-POINT DIGITAL SIGNAL PROCESSOR

SMJ320C6701
FLOATINGĆPOINT DIGITAL SIGNAL PROCESSOR
SGUS030B – APRIL 2000 – REVISED MAY 2001
Signal Descriptions (Continued)
SIGNAL
NAME
NO.
TYPE^†
DESCRIPTION
HOST PORT INTERFACE (HPI)
HINT
H2
O/Z Host interrupt (from DSP to host)
HCNTL1
J6
I
Host control – selects between control, address or data registers
HCNTL0
H6
I
Host control – selects between control, address or data registers
HHWIL
E4
I
Host halfword select – first or second halfword (not necessarily high or low order)
HBE1
G6
I
Host byte select within word or half-word
HBE0
F6
I
Host byte select within word or half-word
HR/W
D4
I
Host read or write select
HD15
D11
HD14
B11
HD13
A11
HD12
G9
HD11
D10
HD10
A10
HD9
C10
HD8
HD7
B9
I/O/Z Host port data (used for transfer of data, address and control)
F9
HD6
C9
HD5
A9
HD4
B8
HD3
D9
HD2
D8
HD1
B7
HD0
C7
HAS
L6
I
Host address strobe
HCS
C5
I
Host chip select
HDS1
C4
I
Host data strobe 1
HDS2
K6
I
Host data strobe 2
HRDY
H3
O Host ready (from DSP to host)
BOOT MODE
BOOTMODE4 B16
BOOTMODE3 G14
BOOTMODE2 F15
I
Boot mode
BOOTMODE1 C18
BOOTMODE0 D17
† _{I = Input, O = Output, Z = High Impedance, S = Supply Voltage, GND = Ground}
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