| 数据搜索系统,热门电子元器件搜索 |
|
PIC18F258-E/SOSQTP 数据表(PDF) 99 Page - Microchip Technology |
|
|
|||||||||||||||||||||||||||||
PIC18F258-E/SOSQTP 数据表(HTML) 99 Page - Microchip Technology |
|
99 / 402 page ![]() © 2006 Microchip Technology Inc. DS41159E-page 97 PIC18FXX8 FIGURE 9-4: RB7:RB4 PINS BLOCK DIAGRAM FIGURE 9-5: RB1:RB0 PINS BLOCK DIAGRAM Data Latch From other RBPU(2) P VDD I/O pin(1) Q D CK Q D CK QD EN QD EN Data Bus WR LATB WR TRISB Set RBIF TRIS Latch RD TRISB RD PORTB RB7:RB4 pins Weak Pull-up Latch TTL Input Buffer ST Buffer RBx/INTx Q3 Q1 RD LATB or WR PORTB Note 1: I/O pins have diode protection to VDD and VSS. 2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2 register). Data Latch RBPU(2) P VDD Q D CK Q D CK QD EN Data Bus WR Port WR TRIS RD TRIS RD Port Weak Pull-up RBx/INTx I/O pin(1) TTL Input Buffer Schmitt Trigger Buffer TRIS Latch Note 1: I/O pins have diode protection to VDD and VSS. 2: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit (INTCON2 register). |
|
链接网址 |
| 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 | 数据表链接 | 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 |