VRS51C1100 Datasheet (Ramtron)

VRS51C1100, Versa 8051 MCU

for QFP-44/PLCC-44 T ABLE 1: PIN DESCRIPTIONS FOR QFP-44/PLCC-44 QFP - 44 PLCC - 44 Name I/O Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 PWM3 P1.5 P1.6 P1.7 RES RXD P3.0 P4.3 TXD P3.1 #INT0 P3.2 #INT1

VRS51C1100 Features

* 64KB of In-System/In-Application Programmable Flash memory, 64KB Data Flash memory, 1KB of RAM, 4 PWM outputs, a UART, three 16-bit timers/counters, a watchdog timer and power down features. The VRS51C1000 is available with firmware that enables In-System Programming (firmware based bootloader) of t