![]() |
Electronic Components Datasheet Search |
|
UPD784938 Datasheet(PDF) 62 Page - NEC |
|
|
UPD784938 Datasheet(HTML) 62 Page - NEC |
62 / 733 page ![]() CHAPTER 2 PIN FUNCTIONS 62 Preliminary User’s Manual U13987EJ1V0UM00 2.3 Input/Output Circuits and Connection of Unused Pins Table 2-5 shows the input/output circuit types of the pins that have functions, and the connection method when that function is not used. Each input/output circuit type is shown in Figure 2-1. Table 2-5. Pin Input/Output Circuit Types and Recommended Connection of Unused Pins (1/2) Pin Name Input/Output Input/Output Recommended Connection Circuit Type of Unused Pins P00 to P07 5-A Input/output Input: Connect to VDD P10, P11 Output: Leave open P12/ASCK2/SCK2 8-A P13/RxD2/SI2 5-A P14/TxD2/SO2 P15 to P17 P20/NMI 2 Input Connect to VDD or VSS P21/INTP0 P22/INTP1 2-A Connect to VDD P23/INTP2/CI P24/INTP3 P25/INTP4/ASCK/SCK1 8-A Input/output Input: Connect to VDD Output: Leave open P26/INTP5 2-A Input Connect to VDD P27/SI0 P30/RxD/SI1 5-A Input/output Input: Connect to VDD P31/TxD/SO1 Output: Leave open P32/SCK0 10-A P33/SO0 P34/TO0 to P37/TO3 5-A P40/AD0 to P47/AD7 P50/A8 to P57/A15 P60/A16 to P63/A19 P64/RD P65/WR P66/WAIT/HLDRQ P67/REFRQ/HLDAK |
Similar Part No. - UPD784938 |
|
Similar Description - UPD784938 |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.COM |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Datasheet Upload | 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 |