參數(shù)資料
型號(hào): 935267813551
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝: PLASTIC, QFP-44
文件頁數(shù): 40/52頁
文件大小: 288K
代理商: 935267813551
Philips Semiconductors
Preliminary data
P89C51RB2/P89C51RC2/
P89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
2001 Jun 27
45
RECORD TYPE
COMMAND/DATA FUNCTION
05
Miscellaneous Read Functions
General Format of Function 05
:02xxxx05ffsscc
Where:
02
=
number of bytes (hex) in record
xxxx
=
required field, but value is a “don’t care”
05
=
“Miscellaneous Read” function code
ffss
=
subfunction and selection code
0000 = read signature byte – manufacturer id (15H)
0001 = read signature byte – device id # 1
(C2H)
0002 = read signature byte – device id # 2
0700 = read security bits
0701 = read status byte
0702 = read boot vector
cc
= checksum
Example:
:020000050001F8
read signature byte – device id # 1
06
Direct Load of Baud Rate
General Format of Function 06
:02xxxx06hhllcc
Where:
02
=
number of bytes (hex) in record
xxxx
=
required field, but value is a “don’t care”
06
=
”Direct Load of Baud Rate” function code
hh
=
high byte of Timer 2
ll
=
low byte of Timer 2
cc
=
checksum
Example:
:02000006F500F3
相關(guān)PDF資料
PDF描述
935267811551 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
935265437112 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40
935265441112 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
935267812557 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
935265429512 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44
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