AT89C5132-RORUL Atmel, AT89C5132-RORUL Datasheet - Page 106
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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Manufacturer
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Price
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Registers
AT89C5132
Table 87. External Data Memory Interface Signals
Table 88. DAT16H Register
DAT16H (S:F9h) – Data 16 High Order Byte
Reset Value = 0000 0000b
Bit Number
Signal
Name
AD7:0
A15:8
ALE
WR
RD
7 - 0
D15
7
Type
I/O
I/O
O
O
O
Mnemonic
D15:8
D14
Bit
6
Description
Address Lines
Upper address lines for the external bus.
Multiplexed higher address and data lines for the IDE interface.
Address/Data Lines
Multiplexed lower address and data lines for the IDE interface.
Address Latch Enable
ALE signals indicates that valid address information is available on lines AD7:0.
Read
Read signal output to external data memory.
Write
Write signal output to external memory.
Description
Data 16 High Order Byte
When EXT16 bit is set, DAT16H is set by software with the high order data byte prior any
MOVX write instruction.
When EXT16 bit is set, DAT16H contains the high order data byte after any MOVX read
instruction.
D13
5
D12
4
D11
3
D10
2
D9
1
4173E–USB–09/07
Alternate
Function
P2.7:0
P0.7:0
P3.7
P3.6
D8
0
-
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