Enhanced Serial Audio Interface Timing - Motorola DSP56367 User Manual

Specifications

Enhanced Serial Audio Interface Timing

3.14 ENHANCED SERIAL AUDIO INTERFACE TIMING
Table 3-22 Enhanced Serial Audio Interface Timing
No.
Characteristics
430 5
Clock cycle
431 Clock high period
• For internal clock
• For external clock
432 Clock low period
• For internal clock
• For external clock
433 RXC rising edge to FSR out (bl) high
434 RXC rising edge to FSR out (bl) low
435
RXC rising edge to FSR out (wr) high
436
RXC rising edge to FSR out (wr) low
437 RXC rising edge to FSR out (wl) high
438 RXC rising edge to FSR out (wl) low
439 Data in setup time before RXC (SCK in
synchronous mode) falling edge
440 Data in hold time after RXC falling edge
441 FSR input (bl, wr) high before RXC falling
6
edge
442 FSR input (wl) high before RXC falling edge
443 FSR input hold time after RXC falling edge
3-66
1, 2, 3
Symbol
t
SSICC
—
—
—
—
6 —
6
—
—
—
—
—
—
—
—
DSP56367
Expression Min
4 × T
33.3
C
3 × T
25.0
C
TXC:max[3*tc; t454] 27.2
2 × T − 10.0
6.7
C
1.5 × T
12.5
C
2 × T − 10.0
6.7
C
1.5 × T
12.5
C
— —
—
— —
—
— —
—
— —
—
— —
—
— —
—
— 0.0
19.0
— 5.0
3.0
— 23.0
1.0
— 23.0
1.0
— 3.0
0.0
Cond-i
Uni
Max
4
t
tion
— i ck ns
— x ck
— x ck
— ns
—
— ns
—
37.0 x ck ns
22.0 i ck a
37.0 x ck ns
22.0 i ck a
39.0 x ck ns
24.0 i ck a
39.0 x ck ns
24.0 i ck a
36.0 x ck ns
21.0 i ck a
37.0 x ck ns
22.0 i ck a
— x ck ns
— i ck
— x ck ns
— i ck
— x ck ns
— i ck a
— x ck ns
— i ck a
— x ck ns
— i ck a
MOTOROLA