Datasheet

 
 
SPRS161K − MARCH 2001 − REVISED JULY 2007
79
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
peripheral register description
Table 16 is a collection of all the programmable registers of the Lx2401A and is provided as a quick reference.
Table 16. Lx2401A DSP Peripheral Register Description
ADDR
BIT 15 BIT 14 BIT 13 BIT 12 BIT 11 BIT 10 BIT 9 BIT 8
REG
ADDR
BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
REG
DATA MEMORY SPACE
CPU STATUS REGISTERS
ARP OV OVM 1 INTM DP(8)
ST0
DP(7) DP(6) DP(5) DP(4) DP(3) DP(2) DP(1) DP(0)
ST0
ARB CNF TC SXM C 1
ST1
1 1 1 XF 1 1 PM
ST1
GLOBAL MEMORY AND CPU INTERRUPT REGISTERS
00004h
— — — — — — — —
IMR
00004h
— — INT6 MASK INT5 MASK INT4 MASK INT3 MASK INT2 MASK INT1 MASK
IMR
00005h
Reserved
GREG
00005h Reserved GREG
00006h
— — — — — — — —
IFR
00006h
—
— INT6 FLAG INT5 FLAG INT4 FLAG INT3 FLAG INT2 FLAG INT1 FLAG
IFR
SYSTEM REGISTERS
07010h
IRQ0.15 IRQ0.14 IRQ0.13 IRQ0.12 IRQ0.11 IRQ0.10 IRQ0.9 IRQ0.8
PIRQR0
07010h
IRQ0.7 IRQ0.6 IRQ0.5 IRQ0.4 IRQ0.3 IRQ0.2 IRQ0.1 IRQ0.0
PIRQR0
07011h
IRQ1.15 IRQ1.14 IRQ1.13 IRQ1.12 IRQ1.11 IRQ1.10 IRQ1.9 IRQ1.8
PIRQR1
07011h
IRQ1.7 IRQ1.6 IRQ1.5 IRQ1.4 IRQ1.3 IRQ1.2 IRQ1.1 IRQ1.0
PIRQR1
07012h
IRQ2.15 IRQ2.14 IRQ2.13 IRQ2.12 IRQ2.11 IRQ2.10 IRQ2.9 IRQ2.8
PIRQR2
07012h
IRQ2.7 IRQ2.6 IRQ2.5 IRQ2.4 IRQ2.3 IRQ2.2 IRQ2.1 IRQ2.0
PIRQR2
07013h Illegal
07014h
IAK0.15 IAK0.14 IAK0.13 IAK0.12 IAK0.11 IAK0.10 IAK0.9 IAK0.8
PIACKR0
07014h
IAK0.7 IAK0.6 IAK0.5 IAK0.4 IAK0.3 IAK0.2 IAK0.1 IAK0.0
PIACKR0
07015h
IAK1.15 IAK1.14 IAK1.13 IAK1.12 IAK1.11 IAK1.10 IAK1.9 IAK1.8
PIACKR1
07015h
IAK1.7 IAK1.6 IAK1.5 IAK1.4 IAK1.3 IAK1.2 IAK1.1 IAK1.0
PIACKR1
07016h
IAK2.15 IAK2.14 IAK2.13 IAK2.12 IAK2.11 IAK2.10 IAK2.9 IAK2.8
PIACKR2
07016h
IAK2.7 IAK2.6 IAK2.5 IAK2.4 IAK2.3 IAK2.2 IAK2.1 IAK2.0
PIACKR2
07017h Illegal
07018h
— CLKSRC LPM1 LPM0 CLK PS2 CLK PS1 CLK PS0 —
SCSR1
07018h
ADC CLKEN SCI CLKEN SPI CLKEN CAN CLKEN EVB CLKEN EVA CLKEN — ILLADR
SCSR1
— — — — — — — —
07019h
—
I/P
QUALIFIER
CLOCKS
WD
OVERRIDE
— BOOT_EN — DON PON
SCSR2
0701Ah Illegal
0701Bh
— — — — — — — —
SCSR4
0701Bh
— — — — — — — XF ENABLE
SCSR4
0701Ch
DIN15 DIN14 DIN13 DIN12 DIN11 DIN10 DIN9 DIN8
DINR
0701Ch
DIN7
DIN6 DIN5 DIN4 DIN3 DIN2 DIN1 DIN0
DINR
0701Dh Illegal
0701Eh
V15 V14 V13 V12 V11 V10 V9 V8
PIVR
0701Eh
V7 V6 V5 V4 V3 V2 V1 V0
PIVR
0701Fh Illegal
These bits are not applicable in the Lx2401A since either (i) the peripheral functionality is absent or (ii) the corre-
sponding pins have not been bonded out of the device.