Datasheet

774
25.3.9 High-speed A/D Converter Timing (excluding A mask)
Table 25.13 High-speed A/D Converter Timing (Conditions: V
CC
= 5.0 V ± 10%, AV
CC
= 5.0
V ± 10%, AV
CC
= V
CC
± 10%, AV
ref
= 4.5 V to AV
CC
, V
SS
= AV
SS
= 0 V, Ta = – 20
to +75°C)
Item Symbol Min Typ Max Unit Figure
External trigger input pulse width t
TRGW
2—t
cyc
25.29
External trigger input start delay time t
TRGS
50 ns
A/D conversion start delay time CKS = 0 t
D
1.5 1.5 1.5 t
cyc
25.30
CKS = 1 1.5 1.5 1.5
Input sampling time CKS = 0 t
SPL
20 20 20
CKS = 1 40 40 40
A/D conversion time CKS = 0 t
CONV
42.5 42.5 42.5
CKS = 1 82.5 82.5 82.5
t
TRGS
CK
ADCR
t
TRGW
t
TRGW
ADTRG input
1 state
Figure 25.29 External Trigger Input Timing