| Features |
Operating voltage: 2.2V~5.5V |
Buzzer output |
|
8 input lines |
On-chip crystal, RC and 32768Hz crystal |
|
12 bidirectional I/O lines |
--oscillator |
|
Two external interrupt input |
HALT function and wake-up feature |
|
Two 8-bit programmable timer/event counter |
---reduce
power consumption |
| ---with
PFD (programmable frequency divider) |
6-level subroutine nesting |
| ---function |
Bit manipulation instruction |
|
LCD driver with 33x3 or 32x4 segments |
15-bit table read instruction |
|
4Kx15 program memory ROM |
Up to 0.5us instruction cycle with 8MHz |
|
160x8 data memory RAM |
---system
clock |
|
Real Time Clock (RTC) |
63 powerful instructions |
|
8-bit prescaler for RTC |
All instructions in 1 or 2 machine cycles |
|
Watchdog Timer |
48-pin SSOP, 100-pin QFP package |
| General
Description |
| The HT49C50-1 is an 8-bit high
performance single chip microcontroller. Its single cycle |
| instruction and two-stage pipeline
architecture make it suitable for high speed applications. The |
| sdevice is uited for use in multiple
LCD low power applications among which are calculators, |
| clock timers, games, scales,
leisure products, other hand held LCD products, and battery system in particular.
|