AT89C5131A-TISIL Atmel, AT89C5131A-TISIL Datasheet - Page 74
AT89C5131A-TISIL
Manufacturer Part Number
AT89C5131A-TISIL
Description
IC 8051 MCU FLASH 32K USB 28SOIC
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5131A-TISIL
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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AT89C5131A-L
Table 58. PCON Register
PCON - Power Control Register (87h)
Reset Value = 00X1 0000b
Not bit addressable
Power-off flag reset value will be 1 only after a power on (cold reset). A warm reset
doesn’t affect the value of this bit.
Number
SMOD1
Bit
7
6
5
4
3
2
1
0
7
Mnemonic
SMOD1
SMOD0
SMOD0
POF
GF1
GF0
Bit
IDL
PD
-
6
Description
Serial port Mode bit 1 for UART
Set to select double baud rate in mode 1, 2 or 3.
Serial port Mode bit 0 for UART
Cleared to select SM0 bit in SCON register.
Set to select FE bit in SCON register.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Power-Off Flag
Cleared to recognize next reset type.
Set by hardware when V
software.
General-purpose Flag
Cleared by user for general-purpose usage.
Set by user for general-purpose usage.
General-purpose Flag
Cleared by user for general-purpose usage.
Set by user for general-purpose usage.
Power-down Mode Bit
Cleared by hardware when reset occurs.
Set to enter power-down mode.
Idle Mode Bit
Cleared by hardware when interrupt or reset occurs.
Set to enter idle mode.
5
-
POF
4
CC
rises from 0 to its nominal voltage. Can also be set by
GF1
3
GF0
2
PD
1
4338F–USB–08/07
IDL
0
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