11-14 Chapter 11: APA Customer Display Interface
Command Execution Times
Thefollowingtablelistsallavailablecommandsandtheir
correspondingexecutiontimes.Therearenodelaysrequiredbetween
commandandparameterbytesinamulti‐bytecommands.Alltimes
shownbelowaremeasuredfromthereceiptofthelastbyte(exceptfor
theWriteDataPagecommand).
Command Code Execution Time Unit
Monochrome Grayscale
Reset 00h 27 27 ms
SetLuminance 01h N/A
*seenote1
ms
SetYAddressRegister 02h N/A
*seenote1
ms
SetXAddressRegister 03h N/A
*seenote1
ms
SetDisplayControl 04h N/A
*seenote1
ms
WriteDataByte 05h N/A
*seenote1
ms
WriteDataPage 06h N/A
*seenote1
ms
WriteDataWithShift 07h ms
DataWriteMode 08h N/A
*seenote1
ms
CharacterWriteMode 09h N/A
*seenote1
ms
InvertScreen 0Ah ms
Notused 0Bh N/A
*seenote1
ms
Notused 0Ch N/A
*seenote1
ms
Notused 0Dh N/A
*seenote1
ms
Notused 0Eh N/A
*seenote1
ms
Notused 0Fh N/A
*seenote1
ms
5x7CharacterWrite 10H‐FFH 0.35
*seenote2
0.8
*seenote2
ms
10x14CharacterWrite 10H‐FFH 0.7
*seenote2
2.1 ms
Note1:Executiontimesshorterthanthetimeneededtotransmitthe
nextbyteat115.2Kbaud.
Note2:N/Aat9600baud