參數(shù)資料
型號: P89CV51RC2FBC,557
廠商: NXP Semiconductors
文件頁數(shù): 17/76頁
文件大?。?/td> 0K
描述: IC 80C51 MCU FLASH 32K 44-TQFP
標準包裝: 800
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
其它名稱: 568-4255
935284104557
P89CV51RC2FBC
P89CV51RB2_RC2_RD2_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 25 August 2009
24 of 76
NXP Semiconductors
P89CV51RB2/RC2/RD2
80C51 with 1 kB RAM, SPI
6.3.8 IAP method
Several IAP calls are available for use by an application program to permit selective
erasing, reading and programming of ash pages, security bits, status bit, and device ID.
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. The IAP calls are shown in Table 12.
Table 12.
IAP function calls
IAP function
IAP call parameters
Read ID
Input parameters:
R1 = 00H or 80H (WDT feed)
DPH = 00H
DPL = 00H = manufacturer ID
DPL = 01H = device ID 1
DPL = 02H = device ID 2
DPL = 03H = 6
×/12× bit (if bit 7 = 1: 6×)
DPL = 80H = ISP version number
Return parameter(s):
ACC = requested parameter
Erase 4 kB code block (new
function)
Input parameters:
R0 = oscillator frequency (integer)
R1 = 0CH or 8CH (WDT feed)
DPH = address of 4 kB code block
DPH = 00H, 4 kB block 0, 0 kB to 4 kB
DPH = 10H, 4 kB block 1, 4 kB to 8 kB
DPH = 20H, 4 kB block 2, 8 kB to 12 kB
DPH = 30H, 4 kB block 3, 12 kB to 16 kB
DPH = 40H, 4 kB block 4, 16 kB to 20 kB
DPH = 50H, 4 kB block 5, 20 kB to 24 kB
DPH = 60H, 4 kB block 6, 24 kB to 28 kB
DPH = 70H, 4 kB block 7, 28 kB to 32 kB
DPH = 80H, 4 kB block 8, 32 kB to 36 kB
DPH = 90H, 4 kB block 9, 36 kB to 40 kB
DPH = A0H, 4 kB block 10, 40 kB to 44 kB
DPH = B0H, 4 kB block 11, 44 kB to 48 kB
DPH = C0H, 4 kB block 12, 48 kB to 52 kB
DPH = D0H, 4 kB block 13, 52 kB to 56 kB
DPH = E0H, 4 kB block 14, 56 kB to 60 kB
DPH = F0H, 4 kB block 15, 60 kB to 64 kB
DPL = 00H
Return parameter(s):
ACC = 00: pass
ACC is not 00: fail
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