AT89C51AC3-RDTIM Atmel, AT89C51AC3-RDTIM Datasheet - Page 23
AT89C51AC3-RDTIM
Manufacturer Part Number
AT89C51AC3-RDTIM
Description
IC 8051 MCU FLASH 64K 64VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51AC3-RLTUM.pdf
(140 pages)
Specifications of AT89C51AC3-RDTIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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4383D–8051–02/08
CPU Clock
Figure 11. External Data Read Waveforms
Notes:
Figure 12. External Data Write Waveforms
CPU Clock
Notes:
RD#1
WR#1
ALE
ALE
P0
P2
P0
P2
1. RD# signal may be stretched using M0 bit in AUXR register.
2. When executing MOVX @Ri instruction, P2 outputs SFR content.
1. WR# signal may be stretched using M0 bit in AUXR register.
2. When executing MOVX @Ri instruction, P2 outputs SFR content.
P2
P2
DPL or Ri
DPL or Ri
DPH or P22
DPH or P22
D7:0
D7:0
23
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