M16C80 Datasheet, PDF (225/358 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/80 SERIES

M16C/80 Group
27. Usage Precaution
Tables 27.1 Output impedance values based on the LSB values (10-bit mode) Reference value
f(XIN)
(MHz)
10
10
Cycle Sampling time
R
C
Resolution R0max
(µs)
(µs)
(Kohm) (pF)
(LSB)
(Kohm)
0.1
0.3
7.8
3.0
0.1
3.0
(3 X cycle,
0.3
4.5
Sample & hold
bit is enabled)
0.5
5.3
0.7
5.9
0.9
6.4
1.1
6.8
1.3
7.2
1.5
7.5
1.7
7.8
1.9
8.1
0.1
0.2
7.8
3.0
0.3
0.4
(2 X cycle,
0.5
0.9
Sample & hold
bit is enabled)
0.7
1.3
0.9
1.7
1.1
2.0
1.3
2.2
1.5
2.4
1.7
2.6
1.9
2.8
Tables 27.2 Output impedance values based on the LSB values (8-bit mode) Reference value
f(XIN)
(MHz)
Cycle
(µs)
Sampling time
(µs)
R
C
Resolution R0max
(Kohm) (pF)
(LSB)
(Kohm)
10
0.1
0.3
7.8
3.0
0.1
4.9
(3 X cycle,
0.3
7.0
Sample & hold
bit is enabled)
0.5
8.2
0.7
9.1
0.9
9.9
1.1
10.5
1.3
11.1
1.5
11.7
1.7
12.1
1.9
12.6
10
0.1
0.2
7.8
3.0
0.1
0.7
(2 X cycle,
0.3
2.1
Sample & hold
0.5
2.9
bit is enabled)
0.7
3.5
0.9
4.0
1.1
4.4
1.3
4.8
1.5
5.2
1.7
5.5
1.9
5.8
Rev.1.00 Aug. 02, 2005 ^{Page 214} of 329
REJ09B0187-0100