參數(shù)資料
型號： AT89C51IC2-SLSIL
廠商： Atmel
文件頁數(shù)： 31/140頁
文件大?。?/td> 0K
描述： IC 8051 MCU FLASH 32K 44PLCC
標準包裝： 27
系列： 89C
核心處理器： 8051
芯體尺寸： 8-位
速度： 40MHz
連通性： I²C，SPI，UART/USART
外圍設(shè)備： POR，PWM，WDT
輸入/輸出數(shù)： 34
程序存儲器容量： 32KB（32K x 8）
程序存儲器類型： 閃存
RAM 容量： 1.25K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 3.6 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LCC（J 形引線）
包裝： 管件
126
AT89C51IC2
4301D–8051–02/08
API Call Description
Several Application Program Interface (API) calls are available for use by an application
program to permit selective erasing and programming of Flash pages. All calls are made
through a common interface, PGM_MTP. The programming functions are selected by
setting up the microcontroller’s registers before making a call to PGM_MTP at FFF0h.
Results are returned in the registers.
When several Bytes have to be programmed, it is highly recommended to use the Atmel
API “PROGRAM DATA PAGE” call. Indeed, this API call writes up to 128 Bytes in a sin-
gle command.
All routines for software access are provided in the C Flash driver available at Atmel’s
web site.
The API calls description and arguments are shown in Table 93.
Table 93. API Call Summary
Command
R1
A
DPTR0
DPTR1
Returned Value
Command Effect
READ MANUF ID
00h
XXh
0000h
XXh
ACC = Manufacturer
Id
Read Manufacturer identifier
READ DEVICE ID1
00h
XXh
0001h
XXh
ACC = Device Id 1
Read Device identifier 1
READ DEVICE ID2
00h
XXh
0002h
XXh
ACC = Device Id 2
Read Device identifier 2
READ DEVICE ID3
00h
XXh
0003h
XXh
ACC = Device Id 3
Read Device identifier 3
ERASE BLOCK
01h
XXh
DPH = 00h
00h
ACC = DPH
Erase block 0
DPH = 20h
Erase block 1
DPH = 40h
Erase block 2
Address of
byte to
program
Program one Data Byte in user Flash
XXh
Erase Software boot vector and boot status
byte. (SBV = FCh and BSB = FFh)
PROGRAM SSB
05h
XXh
DPH = 00h
DPL = 00h
00h
ACC = SSB value
Set SSB level 1
DPH = 00h
DPL = 01h
Set SSB level 2
DPH = 00h
DPL = 10h
Set SSB level 0
DPH = 00h
DPL = 11h
Set SSB level 1
PROGRAM BSB
06h
New BSB
value
0000h
XXh
none
Program boot status byte
PROGRAM SBV
06h
New SBV
value
0001h
XXh
none
Program software boot vector
READ SSB
07h
XXh
0000h
XXh
ACC = SSB
Read Software Security Byte
READ BSB
07h
XXh
0001h
XXh
ACC = BSB
Read Boot Status Byte
READ SBV
07h
XXh
0002h
XXh
ACC = SBV
Read Software Boot Vector
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AT89C51IC2-SLSUL 功能描述:8位微控制器 -MCU C51IC2 32K FLASH I2C 32KHz 3V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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