101-0303 Rabbit Semiconductor, 101-0303 Datasheet - Page 24
101-0303
Manufacturer Part Number
101-0303
Description
SMARTSCREEN OP7100 DISPLAY
Manufacturer
Rabbit Semiconductor
Datasheet
1.101-0303.pdf
(126 pages)
Specifications of 101-0303
Module/board Type
Single Board Computer Module with display
For Use With/related Products
Single Board Computers
Lead Free Status / RoHS Status
Vendor undefined / Vendor undefined
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24 Hardware
OP7100 Subsystems Overview
The OP7100 consists of several subsystems, including a computing module,
serial communication channels, lquid crystal display (LCD), a buzzer, and a
keypad interface. Figure 3-1 provides a block diagram of the OP7100.
Computing Module
The OP7100 computing module consists of a Zilog Z180 microprocessor,
128K of battery-backed static RAM, and 512K of flash EPROM. The
computing module operates in tandem with a real-time clock and a
watchdog timer/microprocessor supervisor.
The Z180 CPU runs at 18.432 MHz, and the LCD controller runs at
9.216 MHz.
The watchdog timer/microprocessor chip provides a watchdog timer
function, power-failure detection, RAM protection, and battery backup.
The real-time clock provides time and date information to applications
running on the OP7100.
Sense
Drive
8
8
8
8
Touchscreen
Interface
RS-232
RS-485
Keypad
Digital
The EEPROM is simulated in flash EPROM for consistency
with Rabbit Semiconductor controllers whose software
libraries rely on exchanging information with the EEPROM.
The simulated EEPROM in the OP7100 is unused at the
present time, but addresses 0 and 1 are reserved for furture
use. Do not use these addresses in your application.
I/O
Batt.
Figure 3-1. OP7100 Block Diagram
Z180
super.
Buzzer
EPLD
’691
Optional Software
Contrast Adjustment
SRAM
Backlight
Control
LCD
Flash1
VRAM1
Flash2
VRAM2
RTC
320 x 240
LCD
Contrast Adjustment
OP7100
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