參數(shù)資料
型號: PXAG49KBA
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: XA 16-bit microcontroller family 64K FLASH/2K RAM, watchdog, 2 UARTs
中文描述: 16-BIT, FLASH, 30 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 15/42頁
文件大小: 299K
代理商: PXAG49KBA
Philips Semiconductors
Preliminary specification
XA-G49
XA 16-bit microcontroller family
64K Flash/2K RAM, watchdog, 2 UARTs
2000 Apr 03
15
RECORD TYPE
84
COMMAND/DATA FUNCTION
Display Device Data or Blank Check – Record type 84 causes the contents of the entire FLASH array to be sent out
the serial port in a formatted display. This display consists of an address and the contents of 16 bytes starting with that
address. No display of the device contents will occur if security bit 2 has been programmed. The dumping of the device
data to the serial port is terminated by the reception of any character.
General Format of Function 84
:05xxxx84sssseeeeffcc
Where:
05
= number of bytes (hex) in record
xxxx
= required field, but value is a “don’t care”
84
= “Display Device Data or Blank Check” function code
ssss
= starting address
eeee
= ending address
ff
= subfunction
00 = display data
01 = blank check
cc
= checksum
Example:
:0500008440004FFF00E9 display 4000–4FFF
85
Miscellaneous Read Functions
General Format of Function 85
:02xxxx85ffsscc
Where:
02
xxxx
85
ffss
= number of bytes (hex) in record
= required field, but value is a “don’t care”
= “Miscellaneous Read” function code
= subfunction and selection code
0000 = read signature byte – manufacturer id (15H)
0001 = read signature byte – device id # 1 (EAH)
0002 = read signature byte – device id # 2 (XA–G49 = 54H))
0700 = read security bits (returned value bits 3:1 = sb3,sb2,sb1)
0701 = read status byte
0702 = read boot vector
= checksum
cc
Example:
:02000085000178 read signature byte – device id # 1
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