參數(shù)資料
型號: 73S1209F-44IMR/F/P
廠商: Maxim Integrated Products
文件頁數(shù): 29/123頁
文件大?。?/td> 0K
描述: IC SMART CARD READER PROG 44-QFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
系列: 73S12xx
核心處理器: 80515
芯體尺寸: 8-位
速度: 24MHz
連通性: I²C,智能卡,UART/USART
外圍設(shè)備: LED,POR,WDT
輸入/輸出數(shù): 9
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-VFQFN 裸露焊盤
包裝: 帶卷 (TR)
DS_1209F_004
73S1209F Data Sheet
Rev. 1.2
13
Table 3: Flash Special Function Registers
Register
SFR
Address
R/W
Description
ERASE
0x94
W
This register is used to initiate either the Flash Mass Erase cycle or the
Flash Page Erase cycle. Specific patterns are expected for ERASE in
order to initiate the appropriate Erase cycle (default = 0x00).
0x55 – Initiate Flash Page Erase cycle. Must be proceeded by a write to
PGADDR @ SFR 0xB7.
0xAA – Initiate Flash Mass Erase cycle. Must be proceeded by a write
to FLSH_MEEN @ SFR 0xB2 and the debug port must be enabled.
Any other pattern written to ERASE will have no effect.
PGADDR
0xB7
R/W
Flash Page Erase Address register containing the flash memory page
address (page 0 through 127) that will be erased during the Page Erase
cycle (default = 0x00). Note: the page address is shifted left by one bit
(see detailed description above).
Must be re-written for each new Page Erase cycle.
FLSHCTL
0xB2
R/W
Bit 0 (FLSH_PWE): Program Write Enable:
0 – MOVX commands refer to XRAM Space, normal operation (default).
1 – MOVX @DPTR,A moves A to Program Space (Flash) @ DPTR.
This bit is automatically reset after each byte written to flash. Writes to
this bit are inhibited when interrupts are enabled.
W
Bit 1 (FLSH_MEEN): Mass Erase Enable:
0 – Mass Erase disabled (default).
1 – Mass Erase enabled.
Must be re-written for each new Mass Erase cycle.
R/W
Bit 6 (SECURE):
Enables security provisions that prevent external reading of flash
memory and CE program RAM. This bit is reset on chip reset and may
only be set. Attempts to write zero are ignored.
相關(guān)PDF資料
PDF描述
73S1209F-44IM/F/P IC SMART CARD READER PROG 44-QFN
AKSPT-G-BLU-R CONN SHUNT 2.54MM GOLD 6.0MM BLU
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