ad1843jst Analog Devices, Inc., ad1843jst Datasheet - Page 18

• Manufacturer Part Number: ad1843jst
• Description: Serial-port 16-bit Soundcomm Codec
• Manufacturer: Analog Devices, Inc.

AD1843
SDI OR SDO
SDI OR SDO
SDI OR SDO
SCLK
SCLK
TSI
TSI
SCLK
TSI
SDI OR SDO
GAP
3
GAP
SCLK
2
TSI
1
MSB
MSB
SLOT 0
15 14 13 12
15 14 13 12
0
SLOT 0
MSB
3
15 14 13 12
SLOT 0
2
SAMPLE PERIOD N
SAMPLE PERIOD N
1
SAMPLE PERIOD N
0
256 BITS
MSB
15 14 13 12
Figure 10b. FRS = 1, Slave Mode Timing
256 BITS
Figure 10a. FRS = 1, Slave Mode Timing
SLOT 0
Figure 9b. FRS = 0, Slave Mode Timing
FRS = 0
Figure 9a. FRS = 0, Slave Mode Timing
3
FRS = 0
3
FRS = 1
FRS = 1
SAMPLE PERIOD N
3
2
2
SLOT 15
SLOT 15
[DEFAULT 32 SLOTS PER FRAME, 2 SAMPLES PER FRAME SYNC]
2
1
SLOT 15
1
FRAME M
FRAME M
EXAMPLE SHOWING NO GAPS BETWEEN FRAMES
[DEFAULT 32 SLOTS PER FRAME, 2 SAMPLES PER FRAME SYNC]
256 BITS
EXAMPLE SHOWING GAPS BETWEEN FRAMES
EXAMPLE SHOWING GAPS BETWEEN FRAMES
1
0
[16 SLOTS PER FRAME, 1 SAMPLES PER FRAME SYNC]
[16 SLOTS PER FRAME, 1 SAMPLES PER FRAME SYNC]
0
EXAMPLE SHOWING NO GAPS BETWEEN FRAMES
MSB
FRAME M
256 BITS
15 14 13 12
FRAME M
0
512 BITS
SLOT 16
512 BITS
MSB
3
15 14 13 12
SLOT 16
SAMPLE PERIOD N+1
–18–
2
SLOT 15
SAMPLE PERIOD N+1
1
SLAVE MODE
SLAVE MODE
SLAVE MODE
256 BITS
0
SLAVE MODE
GAP
MSB
15 14 13 12
256 BITS
SLOT 0
3
SAMPLE PERIOD N+1
3
2
SLOT 31
2
1
FRAME M+1
SLOT 31
1
0
MSB
0
15 14 13 12
256 BITS
SLOT 0
GAP
MSB
15 14 13 12
3
SLOT 0
SAMPLE PERIOD N+1
2
SLOT 15
MSB
SLOT 0
15 14 13 12
SAMPLE PERIOD N+2
1
SAMPLE PERIOD N+2
0
MSB
256 BITS
15 14 13 12
3
256 BITS
FRAME M+1
FRAME M+1
FRAME M+1
256 BITS
512 BITS
3
2
SLOT 15
2
1
SLOT 15
3
512 BITS
1
0
2
SLOT 15
0
1
MSB
15 14
0
GAP
MSB
15
REV. 0