 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
H8/3021 Datasheet(PDF) 151 Page - Renesas Technology Corp |
|
|
|||||||||||||||||||||||||||||
H8/3021 Datasheet(HTML) 151 Page - Renesas Technology Corp |
|
|
151 / 712 page  6. Bus Controller Rev.2.00 Mar. 22, 2007 Page 127 of 684 REJ09B0352-0200 6.4 Usage Notes 6.4.1 Register Write Timing ASTCR and WCER Write Timing: Data written to ASTCR or WCER takes effect starting from the next bus cycle. Figure 6.11 shows the timing when an instruction fetched from area 2 changes area 2 from three-state access to two-state access. φ Address T1 T2 T3 T1 T2 T3 T1 T2 ASTCR address 3-state access to area 2 2-state access to area 2 Figure 6.11 ASTCR Write Timing 6.4.2 Precautions on setting ASTCR and ABWCR* Use the H8/3022 Group on-chip program to set ASTCR and ABWCR as shown below, so that the on-chip ROM access cycle for H8/3022 Group can be emulated using the evaluation chip for support tools. Modes 5 and 7 ASTCR0 = 0 ABWCR = H'FC Note: The ABWCR (bus width control register; lower 16-bit address: H'FFEC) is not built onto this LSI. For detailed features of the ABWCR, see the H8/3048 Group, H8/3048 F-ZTAT Hardware Manual. |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
New Zealand ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
