TS80C51RA2-VCB Atmel, TS80C51RA2-VCB Datasheet - Page 2

• Manufacturer Part Number: TS80C51RA2-VCB
• Description: IC MCU 8BIT 256BYTE 40MHZ 44PLCC
• Manufacturer: Atmel
• Series: 80Cr

Specifications of TS80C51RA2-VCB

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• 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: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
3. Block Diagram
2
VQFP44 1.4
VQFP64 1.4
TS80C51RA2
TS80C51RD2
TS83C51RC2
TS83C51RD2
TS87C51RC2
TS87C51RD2
TS80C51RD2
TS83C51RD2
TS87C51RD2
TS83C51RB2
TS87C51RB2
PLCC44
PLCC68
PDIL40
ALE/
EA/V
XTAL1
XTAL2
PSEN
PROG
WR
RD
PP
(3)
(3)
ROM (bytes)
ROM (bytes)
16k
32k
64k
64k
0
0
0
0
0
0
0
CPU
(3)
(3) (3)
EUART
Timer 0
Timer 1
(3)
EPROM (bytes)
EPROM (bytes)
CORE
C51
(3) (3)
256x8
RAM
INT
Ctrl
16k
32k
64k
64k
(2): Only available on high pin count packages
(3): Alternate function of Port 3
(1): Alternate function of Port 1
0
0
0
0
0
0
0
IB-bus
0/16/32/64Kx8
Port 0 Port 1 Port 2 Port 3
/EPROM
ROM
Parallel I/O Ports & Ext. Bus
XRAM (bytes)
XRAM (bytes)
256
768
256
256
768
256
256
768
768
768
768
256/768x8
XRAM
(1)
Port 4
PCA
(2)
(1)
TOTAL RAM
TOTAL RAM
Port 5
(1)
(2)
(bytes)
(bytes)
Timer2
1024
1024
1024
1024
1024
1024
512
512
512
512
512
(1)
Watch
Dog
Rev. C - 06 March, 2001
I/O
I/O
32
32
32
32
32
32
32
32
48
48
48