AT89C5132-RORUL Atmel, AT89C5132-RORUL Datasheet - Page 25
AT89C5132-RORUL
Manufacturer Part Number
AT89C5132-RORUL
Description
MCU 8051 FLASH USB 80TQFP
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5132-RORUL
Core Processor
C52X2
Core Size
8-Bit
Speed
20MHz
Connectivity
IDE/ATAPI, I²C, MMC, PCM, SPI, UART/USART, USB
Peripherals
I²S, POR, WDT
Number Of I /o
44
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 2x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4173E–USB–09/07
External memory cycle takes 6 CPU clock periods. This is equivalent to 12 oscillator clock peri-
ods in standard mode or 6 oscillator clock periods in X2 mode. For further information on X2
mode, refer to the section “X2 Feature”, page 12.
Slow peripherals can be accessed by stretching the read and write cycles. This is done using the
M0 bit in AUXR register. Setting this bit changes the width of the RD and WR signals from 3 to
15 CPU clock periods.
For simplicity, the accompanying figures depict the bus cycle waveforms in idealized form and
do not provide precise timing information. For bus cycle timing parameters refer to the section
“AC Characteristics”.
Figure 8-4.
Notes:
Figure 8-5.
Notes:
1. RD signal may be stretched using M0 bit in AUXR register.
2. When executing MOVX @Ri instruction, P2 outputs SFR content.
3. When executing MOVX @DPTR instruction, if DPHDIS is set (Page Access Mode), P2 out-
1. WR signal may be stretched using M0 bit in AUXR register.
2. When executing MOVX @Ri instruction, P2 outputs SFR content.
3. When executing MOVX @DPTR instruction, if DPHDIS is set (Page Access Mode), P2 out-
CPU Clock
CPU Clock
puts SFR content instead of DPH.
puts SFR content instead of DPH.
WR
External Data Read Waveforms
External Data Write Waveforms
RD
ALE
ALE
P0
P2
(1)
P0
P2
(1)
P2
P2
DPL or Ri
DPL or Ri
DPH or P2
DPH or P2
(2),(3)
(2),(3)
D7:0
D7:0
AT89C5132
25
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