 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
EM6821WT21 Datasheet(PDF) 5 Page - EM Microelectronic - MARIN SA |
|
||||||||||||||||||||||||||||||
EM6821WT21 Datasheet(HTML) 5 Page - EM Microelectronic - MARIN SA |
|
|
5 / 68 page  R EM6821 Copyright © 2005, EM Microelectronic-Marin SA 5 www.emmicroelectronic.com Chip TQFP 52 DIL 64 Signal Name Function Remarks 35 35 51 PB[1] Input/output, open drain port B terminal 1 Port B data[1] I/O or Ck[11] output 36 36 52 PB[2] Input/output, open drain port B terminal 2 Port B data[2] I/O or Ck[16] output 37 37 53 PB[3] Input/output, open drain port B terminal 3 Port B data[3] I/O or PWM output 38 38 54 PA[0] Input port A terminal 0 TestVar 1 Event counter 39 39 55 PA[1] Input port A terminal 1 TestVar 2 40 40 58 PA[2] Input port A terminal 2 TestVar 3 41 41 59 PA[3] Input port A terminal 3 Event counter, MSC start/stop control 42 42 60 Buzzer Output Buzzer terminal 43 43 61 Strobe Output Strobe terminal µP reset state or/and port B write or sleep flag out 44 44 62 Vbat = VDD Positive power supply MFP Connection 45 45 63 Vreg Internal voltage regulator Connect to minimum 100nF, MFP connection 46 46 64 Qin/Osc1 Crystal terminal 1 32 KHz crystal, MFP connection 47 47 2 Qout /Osc2 Crystal terminal 2 32 KHz crystal, MFP connection 48 48 3 VSS Negative power supply ref. terminal, MFP connection 49 49 4 C2B Voltage multiplier Not needed if ext. supply 50 50 5 C2A Voltage multiplier Not needed if ext. supply 51 51 6 C1B Voltage multiplier Not needed if ext. supply 52 52 7 C1A Voltage multiplier Not needed if ext. supply Gray shaded areas : Terminals needed for MFP programming connections (VDD, Vreg, Qin, Qout, Test). Figure 3. Typical Configuration Crys ta l LC D D isp la y C1 C1 C1 C4 C3 Vreg V SS Te s t Re s e t V DD (V bat) SEG [2 0:1] Q in O o u t C2 C2 C1 A C1 B C2 A C2 B C O M [4:1] VL 1 VL 2 VL 3 E M 6821 A ll C apacitors 100 nF Po rt A Strobe Buz z er Po rt B Po rt S P |
Similar Part No. - EM6821WT21 |
|
Similar Description - EM6821WT21 |
|
|
Link URL |
| Privacy Policy |
| ALLDATASHEET.NET |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | 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 |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
