Datasheet

776
25.3.10 Mid-speed Converter Timing (A mask)
Table 25.14 shows Mid-speed converter timing
Table 25.14 Mid-speed Converter Timing (Conditions:Vcc=5.0V ± 10%, AVcc=5.0V ± 10%,
AVcc=Vcc ± 10%, AVref=4.5V to Avcc, Vss=AVss=0V, Ta=-20 to ± 75°C)
Item Symbol Min Typ Max Unit Figure
External trigger input pulse width t
TRGW
2——t
cyc
25.31
External trigger input start delay time t
TRGS
50 — — ns
A/D conversion start delay time CKS = 0 t
D
10 — 17 t
cyc
25.32
CKS = 1 6 — 9
Input sampling time CKS = 0 t
SPL
—64—
CKS = 1 — 32 —
A/D conversion time CKS = 0 t
CONV
259 — 266
CKS = 1 131 — 134
t
TRGS
CK
ADCR
ADTRG input
t
TRGW
t
TRGW
1 state
Figure 25.31 External Trigger Input Timing