80C31X2 Datasheet, PDF (6/62 Pages) NXP Semiconductors – 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz

Philips Semiconductors
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
BLOCK DIAGRAM 1
Product data
P80C3xX2; P80C5xX2;
P87C5xX2
Accelerated 80C51 CPU
(12-clk mode, 6-clk mode)
Crystal or
Resonator
0K / 4K / 8K / 16K /
32 kbyte
CODE ROM / EPROM
128 / 256 Byte
Data RAM
Port 3
Configurable I/Os
Port 2
Configurable I/Os
Port 1
Configurable I/Os
Port 0
Configurable I/Os
Oscillator
Full-duplex enhanced
UART
Timer 0
Timer 1
Timer 2
su01579
2003 Jan 24
6