參數(shù)資料
型號(hào): 73S1209F-44IM/F/P
廠商: Maxim Integrated Products
文件頁數(shù): 34/123頁
文件大小: 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: 260
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(chǔ)器容量: 32KB(32K x 8)
程序存儲(chǔ)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: 管件
73S1209F Data Sheet
DS_1209F_004
1.5 Special Function Registers (SFRs)
The 73S1209F utilizes numerous SFRs to communicate with the 73S1209F s many peripherals. This
results in the need for more SFR locations outside the direct address IRAM space (0x80 to 0xFF). While
some peripherals are mapped to unused IRAM SFR locations, additional SFRs for the smart card and
other peripheral functions are mapped to the top of the XRAM data space (0xFC00 to 0xFFFF).
1.5.1 Internal Data Special Function Registers (SFRs)
A map of the Special Function Registers is shown in Table 6.
Table 6: IRAM Special Function Registers Locations
Hex\
Bin
X000
X001
X010
X011
X100
X101
X110
X111
Bin/
Hex
F8
FF
F0
F7
E8
EF
E0
E7
D8
DF
D0
D7
C8
CF
C0
C7
B8
BF
B0
B7
A8
AF
A0
A7
98
9F
90
97
88
8F
80
Only a few addresses are used, the others are not implemented. SFRs specific to the 73S1209F are
shown in bold print (gray background). Any read access to unimplemented addresses will return
undefined data, while most write access will have no effect. However, a few locations are reserved and
not user configurable in the 73S1209F. Writes to the unused SFR locations can affect the operation
of the core and therefore must not be written to. This applies to all the SFR areas in both the
IRAM and XRAM spaces. In addition, all unused bit locations within valid SFR registers must be
left in their default (power on default) states.
18
Rev. 1.2
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