鈥?/div>
35
脳
4 LCD display
7 input lines and 10 bidirectional I/O lines
8-bit programmable timer for RTC
interrupt
8-bit programmable timer/event counter
and overflow interrupt
8-bit programmable tone generator with
buzzer output
Watchdog timer
Halt function and wake-up feature reduce
power consumption
63 powerful instructions, most instructions
in one machine cycle
Eight-level subroutine nesting
Table read instruction
Inverted or non-inverted input signal
selection for decoder input
80-pin LQFP package
General Description
The HT9480 is a high performance pager con-
troller. The built-in single cycle instructions
(16-bit wide) and two-stage pipeline architec-
ture of the HT9480 account for its high perform-
ance. The controller contains a full function
pager decoder (POCSAG code) at 512, 1200, or
2400 bits per second data rate and an LCD
display driver with a 35
脳
4 dot output.
1
23th Feb 鈥?8