AT87C51RB2-3CSUM Atmel, AT87C51RB2-3CSUM Datasheet - Page 4
AT87C51RB2-3CSUM
Manufacturer Part Number
AT87C51RB2-3CSUM
Description
IC 8051 MCU 16K OTP 40MHZ 40DIP
Manufacturer
Atmel
Series
87Cr
Datasheet
1.TS87C51RB2-VIA.pdf
(86 pages)
Specifications of AT87C51RB2-3CSUM
Core Processor
8051
Core Size
8-Bit
Speed
40/20MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
- Current page: 4 of 86
- Download datasheet (988Kb)
4. SFR Mapping
The Special Function Registers (SFRs) of the TS80C51Rx2 fall into the following categories:
• C51 core registers: ACC, B, DPH, DPL, PSW, SP, AUXR1
• I/O port registers: P0, P1, P2, P3, P4, P5
• Timer registers: T2CON, T2MOD, TCON, TH0, TH1, TH2, TMOD, TL0, TL1, TL2, RCAP2L,
RCAP2H
• Serial I/O port registers: SADDR, SADEN, SBUF, SCON
• Power and clock control registers: PCON
• HDW Watchdog Timer Reset: WDTRST, WDTPRG
• PCA registers: CL, CH, CCAPiL, CCAPiH, CCON, CMOD, CCAPMi
• Interrupt system registers: IE, IP, IPH
• Others: AUXR, CKCON
AT/TS8xC51Rx2
4
4188F–8051–01/08
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