Specifications

TABLES
Table 3–1 Processor Speed Comparison. ......................... 3-3
Table 3–2 Serial Communications Standards.
.................... 3-7
Table 5–1 Memory Configurations, 3D1/5D1/BRAM.
........... 5-12
Table 5–2 Memory Configurations, 7D1/9D1.
................... 5-13
Table 5–3 Device Access Times.
.............................. 5-14
Table 6–1 Segment Registers.
.................................. 6-4
Table 6–2 8080 Emulation Register Use.
....................... 6-16
Table 6–3 Memory Access Times.
............................. 6-21
Table 7–1 Queue-Status Line Functions.
......................... 7-7
Table 8–1 16C452 Reset State.
................................ 8-14
Table 8–2 ZT 8809A I/O Port Assignments.
.................... 8-17
Table 8–3 16C452 Addressable Registers Summary.
............. 8-18
Table 8–4 Baud Rate Table.
................................... 8-25
Table 8–5 16C452 Interrupt Control Functions.
.................. 8-28
Table 9–1 16C452 Printer Port Output Characteristics.
............ 9-3
Table 9–2 Parallel Port Register Definitions.
..................... 9-5
Table 9–3 Parallel Port Register Addresses.
...................... 9-5
Table 9–4 Shared Printer Signals.
.............................. 9-13
Table 9–5 ZT 90039 Cable Pinout.
............................. 9-14
Table 11–1 Read-Back Command Example.
.................... 11-15
Table 11–2 Gate Pin Operations Summary.
..................... 11-22
Table 11–3 Minimum and Maximum Initial Counts.
............. 11-24
Table 12–1 PIC Registers.
.................................... 12-11
Table A–1 Jumper Descriptions.
................................ A-3
Table A–2 Memory Addressing, W55-W59.
.................... A-42
Table B–1 STD Bus Signal Loading, P Connector.
................ B-4
Table B–2 STD Bus Signal Loading, E Connector.
................ B-5
Table B–3 Mechanical Specifications.
........................... B-7
Table B–4 J1 Pin Assignments (RS-232-C).
..................... B-13
Table B–5 J2 Pin Assignments (RS-232-C).
..................... B-14
Table B–6 J2 Pin Assignments (RS-422/485).
................... B-15
Table B–7 J3 Pin Assignments.
................................ B-16
Table B–8 J4 Pin Assignments.
................................ B-17