NCR RealPOS 70, User Manual

Page: 240 / 306

11-14 Chapter 11: APA Customer Display Interface
Command Execution Times
The following table lists all available commands and their
corresponding execution times. There are no delays required between
command and parameter bytes in a multi ‐ byte commands. All times
shown below are measured from the receipt of the last byte (except for
the Write Data Page command).
Command Code Execution Time Unit
Monochrome Grayscale
Reset 00h 27 27 ms
Set Luminance 01h N/A *see note 1 ms
Set Y Address Register 02h N/A
*see note 1
ms
Set X Address Register 03h N/A *see note 1 ms
Set Display Control 04h N/A
*see note 1
ms
Write Data Byte 05h N/A *see note 1 ms
Write Data Page 06h N/A
*see note 1
ms
Write Data With Shift 07h ms
Data Write Mode 08h N/A
*see note 1
ms
Character Write Mode 09h N/A *see note 1 ms
Invert Screen 0Ah ms
Not used 0Bh N/A *see note 1 ms
Not used 0Ch N/A *see note 1 ms
Not used 0Dh N/A
*see note 1
ms
Not used 0Eh N/A *see note 1 ms
Not used 0Fh N/A
*see note 1
ms
5x7 Character Write 10H ‐ FFH 0.35 *see note 2 0.8 *see note 2 ms
10x14 Character Write 10H ‐ FFH 0.7
*see note 2
2.1 ms
Note 1: Execution times shorter than the time needed to transmit the
next byte at 115.2K baud.
Note 2: N/A at 9600 baud