Datasheet

LTC1099
14
TYPICAL APPLICATIONS
U
0001 0032 AORG >32
0002 0032 CE01 DINT Disable Interrupts
0003 0033 C800 LDPK >0 Data Page Pointer Is 0
0004 0034 E064 LOOP OUT >64.PAO Start LTC1099 Conversion
0005 0035 CB20 RPTK >12 Wait for Conversion to Finish
0006 0036 5500 NOP
0007 0037 8064 IN >64.PAO Read LTC1099 Data; Store in >64
0008 0038 FF80 B LOOP Do Again
TMS320C25 Assembly Code for WR/RD Mode Interface to
LTC1099
TMS320C25 Interface Using WR/RD Mode
V
IN
DB0
DB1
DB2
DB3
WR/RDY
MODE
RD
INT
GND
V
CC
T
C
OFL
DB7
DB6
DB5
DB4
CS
REF
+
REF
–
V
CC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
IN1
IN1
OUT1
IN2
1N2
OUT2
GND
V
CC
IN4
IN4
OUT4
IN3
IN3
OUT3
5V
C1 C2
C3 C4
LTC1099
+
+
C6
C7
+
5V
C8
0.1µF
5V
5V
5V
5V
(B8)
(C10)
(H10)(H11)
READY
MSC
STRB
R/W
V
SS
V
CC
TMS320C25
(A10, B11, H2, L6)
(K1)
(K2)
(L3)
(J11)
(K3)
(F1)
(E2)
(E1)
(D2)
ANALOG
INPUT
VOLTAGE
1099 TA04
C1, C3, C6 = 4.7µF TANTALUM
C2, C4, C5, C7, C8 = 0.1µF CERAMIC
74F00
A0
A1
A2
IS
A3
D0
D1
D2
D3
74F138
C5
0.1µF
D7(B2)
D6(C1)
D5(C2)
D4(D1)
A
B
C
G2A
G2B
G1
Y7
GND