20
M722 N/B MAINTENANCE
M722 N/B MAINTENANCE
IO address
IRQx
DRQx
COM1
3F8-3FF
4
-
FIR/MIR/SIR/
SHARP ASK
( COM2 )
278-27F
3
-
PIO
378-37F
7
-
FDD
3F0-3FF
6
2
Table 1: 97338 IO address.
0.2.10 IR MODULE: VISHAY TFDU6101E
Compliant to IrDA 1.1 ( Up to 4 Mbit/s) HP-SIR, Sharp ASK and TV Remote Wide Operating Voltage Range 2.6 V to 5.5 V
Small Module Size 4.0 x 9.9 x 4.7 mm (HxWxD)
Low Power Sonsumption (3mA Supply Current).
Power Shutdown Mode (1uA Shutdown Current).
Built-in EMI protection
Edge Detection Input Prevents the LED from long turn-on time
Directly Interface with various Super I/O and Controller Devices
Few External Components Required
0.2.11 Keyboard System: H8(3434) Universal Keyboard Controller
CPU: Two-way general register configuration
Eight 16-bit registers or Sixteen 8-bit registers
High-speed operation
Maximum clock rate : 16Mhz at 5V
Memory
include 32KB ROM and 1KB RAM
16-bit free-running timer
One 16-bit free-running counter
Two output-compare lines
Four input capture lines
