739
Table 18-8 I
2
C Bus Timing (with Maximum Influence of t
Sr
/t
Sf
)
Time Indication (at Maximum Transfer Rate) [ns]
Item
t
cyc
Indication
t
Sr
/t
Sf
Influence
(Max.)
I
2
C Bus
Specifi-
cation
(Min.)
ø =
5 MHz
ø =
8 MHz
ø =
10 MHz
ø =
16 MHz
ø =
20 MHz
ø =
25 MHz
t
SCLHO
0.5t
SCLO
(–t
Sr
)
Standard
mode
–1000
4000
4000
4000
4000
4000
4000
4000
High-speed
mode
–300
600
950
950
950
950
950
950
t
SCLLO
0.5t
SCLO
(–t
Sf
)
Standard
mode
–250
4700
4750
4750
4750
4750
4750
4750
High-speed
mode
–250
1300
1000
*
1
1000
*
1
1000
*
1
1000
*
1
1000
*
1
1000
*
1
t
BUFO
0.5t
SCLO
–
1t
cyc
Standard
mode
–1000
4700
3800
*
1
3875
*
1
3900
*
1
3938
*
1
3950
*
1
3960
*
1
( –t
Sr
)
High-speed
mode
–300
1300
750
*
1
825
*
1
850
*
1
888
*
1
900
*
1
910
*
1
t
STAHO
0.5t
SCLO
–
1t
cyc
Standard
mode
–250
4000
4550
4625
4650
4688
4700
4710
(–t
Sf
)
High-speed
mode
–250
600
800
875
900
938
950
960
t
STASO
1t
SCLO
(–t
Sr
)
Standard
mode
–1000
4700
9000
9000
9000
9000
9000
9000
High-speed
mode
–300
600
2200
2200
2200
2200
2200
2200
t
STOSO
0.5t
SCLO
+
2t
cyc
Standard
mode
–1000
4000
4400
4250
4200
4125
4100
4080
(–t
Sr
)
High-speed
mode
–300
600
1350
1200
1150
1075
1050
1030
t
SDASO
(master)
1t
SCLLO
*
2
–
3t
cyc
Standard
mode
–1000
250
3100
3325
3400
3513
3550
3580
(–t
Sr
)
High-speed
mode
–200
100
400
625
700
813
850
880
t
SDASO
(slave)
1t
SCLL
*
2
–
3t
cyc
*
2
Standard
mode
–1000
250
3100
3325
3400
3513
3550
3580
(–t
Sr
)
High-speed
mode
–300
100
400
625
700
813
850
880
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 ...