703
Bits 5 to 3—Serial Clock Select (CKS2 to CKS0): These bits, together with the IICX1 (channel
1) or IICX0 (channel 0) bit in the SCRX register, select the serial clock frequency in master mode.
They should be set according to the required transfer rate.
SCRX
Bit
5 or 6 Bit 5
Bit 4
Bit 3
Transfer Rate
IICX
CKS2 CKS1 CKS0 Clock
ø =
5 MHz
ø =
8 MHz
ø =
10 MHz
ø =
16 MHz
ø =
20 MHz
ø =
25 MHz
0
0
0
0
ø/28
179 kHz
286 kHz
357 kHz
571 kHz 714 kHz 893 kHz
1
ø/40
125 kHz
200 kHz
250 kHz
400 kHz 500 kHz 625 kHz
1
0
ø/48
104 kHz
167 kHz
208 kHz
333 kHz 417 kHz 521 kHz
1
ø/64
78.1 kHz
125 kHz
156 kHz
250 kHz 313 kHz 391 kHz
1
0
0
ø/80
62.5 kHz
100 kHz
125 kHz
200 kHz 250 kHz 313 kHz
1
ø/100 50.0 kHz
80.0 kHz 100 kHz
160 kHz 200 kHz 250 kHz
1
0
ø/112 44.6 kHz
71.4 kHz 89.3 kHz 143 kHz 179 kHz 223 kHz
1
ø/128 39.1 kHz
62.5 kHz 78.1 kHz 125 kHz 156 kHz 195 kHz
1
0
0
0
ø/56
89.3 kHz
143 kHz
179 kHz
286 kHz 357 kHz 446 kHz
1
ø/80
62.5 kHz
100 kHz
125 kHz
200 kHz 250 kHz 313 kHz
1
0
ø/96
52.1 kHz
83.3 kHz 104 kHz
167 kHz 208 kHz 260 kHz
1
ø/128 39.1 kHz
62.5 kHz 78.1 kHz 125 kHz 156 kHz 195 kHz
1
0
0
ø/160 31.3 kHz
50.0 kHz 62.5 kHz 100 kHz 125 kHz 156 kHz
1
ø/200 25.0 kHz
40.0 kHz 50.0 kHz 80.0 kHz 100 kHz 125 kHz
1
0
ø/224 22.3 kHz
35.7 kHz 44.6 kHz 71.4 kHz 89.3 kHz 112 kHz
1
ø/256 19.5 kHz
31.3 kHz 39.1 kHz 62.5 kHz 78.1 kHz 97.7 kHz
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...