参数资料
型号: 73S1210F-68IMR/F
厂商: Maxim Integrated Products
文件页数: 33/126页
文件大小: 0K
描述: IC SMART CARD READER 68-QFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: 73S12xx
核心处理器: 80515
芯体尺寸: 8-位
速度: 24MHz
连通性: I²C,智能卡,UART/USART
外围设备: LED,POR,WDT
输入/输出数: 8
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 6.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 68-VFQFN 裸露焊盘
包装: 带卷 (TR)
73S1210F Data Sheet
DS_1210F_001
14
Rev. 1.4
Table 4: Internal Data Memory Map
Address
Direct Addressing
Indirect Addressing
0xFF
Special Function
Registers (SFRs)
RAM
0x80
0x7F
Byte-addressable area
0x30
0x2F
Byte or bit-addressable area
0x20
0x1F
Register banks R0…R7 (x4)
0x00
External Data Memory: While the 80515 can address up to 64KB of external data memory in the space
from 0x0000 to 0xFFFF, only the memory ranges shown in Figure 2 contain physical memory. The
80515 writes into external data memory when the MPU executes a MOVX @Ri,A or MOVX @DPTR,A
instruction. The MPU reads external data memory by executing a MOVX A,@Ri or MOVX A,@DPTR
instruction.
There are two types of instructions, differing in whether they provide an eight-bit or sixteen-bit indirect
address to the external data RAM.
In the first type (MOVX A,@Ri), the contents of R0 or R1, in the current register bank, provide the eight
lower-ordered bits of address. This method allows the user access to the first 256 bytes of the 2KB of
external data RAM. In the second type of MOVX instruction (MOVX A,@DPTR), the data pointer
generates a sixteen-bit address.
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