T89C5115-TISIM Atmel, T89C5115-TISIM Datasheet - Page 30
T89C5115-TISIM
Manufacturer Part Number
T89C5115-TISIM
Description
IC 8051 MCU FLASH 16K 28SOIC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.T89C5115-RATIM.pdf
(113 pages)
Specifications of T89C5115-TISIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
20
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Examples
30
AT89C5115
;*F*************************************************************************
;* NAME: api_rd_eeprom_byte
;* DPTR contain address to read.
;* Acc contain the reading value
;* NOTE: before execute this function, be sure the EEPROM is not BUSY
;***************************************************************************
api_rd_eeprom_byte:
; Save and clear EA
; Restore EA
ret
;*F*************************************************************************
;* NAME: api_ld_eeprom_cl
;* DPTR contain address to load
;* Acc contain value to load
;* NOTE: in this example we load only 1 byte, but it is possible upto
;* 128 Bytes.
;* before execute this function, be sure the EEPROM is not BUSY
;***************************************************************************
api_ld_eeprom_cl:
; Save and clear EA
; Restore EA
ret
;*F*************************************************************************
;* NAME: api_wr_eeprom
;* NOTE: before execute this function, be sure the EEPROM is not BUSY
;***************************************************************************
api_wr_eeprom:
; Save and clear EA
; Restore EA
ret
MOV
MOVX A, @DPTR
MOV
MOV
MOVX @DPTR, A
MOVEECON, #00h; unmap EEPROM
MOV
MOV
EECON, #02h; map EEPROM in XRAM space
EECON, #00h; unmap EEPROM
EECON, #02h ; map EEPROM in XRAM space
EECON, #050h
EECON, #0A0h
4128G–8051–02/08
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