AT80C32X2-SLRUM Atmel, AT80C32X2-SLRUM Datasheet - Page 2

• Manufacturer Part Number: AT80C32X2-SLRUM
• Description: MCU ROMLESS 32X2 3V 44-PLCC
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C32X2-SLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/20MHz
• Connectivity: UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Block Diagram
2
TS8xCx2X2
Table 1. Memory Size
Notes:
ALE/
TS80C32X2
TS80C52X2
TS87C52X2
EA/VPP
XTAL1
XTAL2
PSEN
1. Alternate function of Port 1
2. Alternate function of Port 3
PROG
WR
RD
(2)
(2)
CPU
ROM (bytes)
(3)
(2) (2)
EUART
Timer 0
Timer 1
(3)
8k
0
0
CORE
C51
(2) (2)
256x8
RAM
INT
Ctrl
IB-bus
Parallel I/O Ports & Ext. Bus
Port 0Port 1 Port 2 Port 3
/EPROM
EPROM (bytes)
8Kx8
ROM
8k
0
0
(1)
Timer2
(1)
TOTAL RAM (bytes)
4184I–8051–02/08
256
256
256