 |
数据搜索系统，热门电子元器件搜索 |
|
|
数据搜索系统，热门电子元器件搜索 |
|
7478 数据表(PDF) 5 Page - Renesas Technology Corp |
|
||||||||||||||||||||||||||||||
7478 数据表(HTML) 5 Page - Renesas Technology Corp |
|
|
5 / 354 page  BEFORE USING THIS USER’S MANUAL 1. Organization This user’s manual consists of the following three chapters. Refer to the chapter appropriate to your conditions, such as hardware design or software development. q CHAPTER 1 HARDWARE This chapter describes features of the microcomputer and operation of each peripheral function. q CHAPTER 2 APPLICATION This chapter describes usage and application examples of peripheral functions, based mainly on setting examples of related registers. q CHAPTER 3 APPENDIX This chapter includes a list of registers, and necessary information for systems development using the microcomputer, the masking confirmation (mask ROM version), ROM programming confirmation, and mark specifications which are to be submitted when ordering. 2. Structure of Register The figure of each register structure describes its functions, contents at reset, and attributes as follows: b7 b6 b5 b4 b3 b2 b1 b0 Fix these bits to “0.” Stack page selection bit Nothing is allocated for this bit. This is write enabled bit and is undefined at reading. XCOUT drive capacity selection bit Main clock (XIN–XOUT) stop bit Internal system clock selection bit P50, P51/XCIN, XCOUT selection bit 0: In page 0 area 1: In page 1 area 0: Low 1: High 0: Oscillates 1: Stops 0: XIN–XOUT selected (Ordinary mode) 1: XCIN–XCOUT selected (low-speed mode) 0: P50, P51 1: XCIN, XCOUT Name Function At reset B RW 0, 1 2 3 4 5 6 7 0 0 ? 0 0 0 0 ? ! Bits CPU mode register (CPUM) [Address: FB 16] Bit attributes CPU mode register Contents immediately after reset release : Bit in which nothing is arranged Note 1. Contents immediately after reset release 0 “0” at reset release 1 “1” at reset release ? Undefined at reset release Note 2. Bit attributes R ? 1 0 W (Note 1) (Note 2) 00 Write Write enabled Write disabled Fix to“0”. Can be cleared to“0” by software but not set to “1”. Read Read enabled Undefined at reading “ 1” at reading “ 0” at reading 0 V ! |
类似零件编号 - 7478 |
|
类似说明 - 7478 |
|
|
链接网址 |
| 隐私政策 |
| ALLDATASHEETCN.COM |
| ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 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 |
Chinese ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
