Datasheet

V850ES/JG3 CHAPTER 13 A/D CONVERTER
R01UH0015EJ0300 Rev.3.00 Page 422 of 870
Sep 30, 2010
13.5.2 Conversion operation timing
Figure 13-3. Conversion Operation Timing (Continuous Conversion)
(1) Operation in normal conversion mode (ADA0HS1 bit = 0)
ADA0M0.ADA0CE bit
Processing state
Setup
Stabilization
time
Conversion time Wait time
Sampling
First conversion Second conversion
Setup SamplingWaitA/D conversion
INTAD signal
2/f
XX (MAX.) 0.5/f XX Sampling
time
(2) Operation in high-speed conversion mode (ADA0HS1 bit = 1)
ADA0M0.ADA0CE bit
Processing state
Setup
Conversion time
Sampling
First conversion Second conversion
SamplingA/D conversion A/D conversion
INTAD signal
0.5/f
XX
Stabilization
time
2/f XX (MAX.) Sampling
time
ADA0FR3 to ADA0FR0 Bits Stabilization Time Conversion Time (Sampling Time) Wait Time Trigger Response Time
0000 13/fXX 26/fXX (8/fXX) 27/fXX 3/fXX
0001 26/fXX 52/fXX (16/fXX) 53/fXX 3/fXX
0010 39/fXX 78/fXX (24/fXX) 79/fXX 3/fXX
0011 50/fXX 104/fXX (32/fXX) 105/fXX 3/fXX
0100 50/fXX 130/fXX (40/fXX) 131/fXX 3/fXX
0101 50/fXX 156/fXX (48/fXX) 157/fXX 3/fXX
0110 50/fXX 182/fXX (56/fXX) 183fXX 3/fXX
0111 50/fXX 208/fXX (64/fXX) 209/fXX 3/fXX
1000 50/fXX 234/fXX (72/fXX) 235/fXX 3/fXX
1001 50/fXX 260/fXX (80/fXX) 261/fXX 3/fXX
1010 50/fXX 286/fXX (88/fXX) 287/fXX 3/fXX
1011 50/fXX 312/fXX (96/fXX) 313/fXX 3/fXX
Others Setting prohibited
Remark The above timings are when a trigger generates within the stabilization time. If the trigger
generates after the stabilization time, a trigger response time is inserted.