73S1210F-44IM/F Maxim Integrated Products, 73S1210F-44IM/F Datasheet - Page 14
73S1210F-44IM/F
Manufacturer Part Number
73S1210F-44IM/F
Description
IC SMART CARD READER 44-QFN
Manufacturer
Maxim Integrated Products
Datasheet
1.73S1210F-44MFPC.pdf
(126 pages)
Specifications of 73S1210F-44IM/F
Core Processor
80515
Core Size
8-Bit
Speed
24MHz
Connectivity
I²C, SmartCard, UART/USART
Peripherals
LED, POR, WDT
Number Of I /o
8
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Processor Series
1210x
Core
80515
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
73S1210F-EB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
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73S1210F Data Sheet
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.
14
Address
0xFF
0x80
0x7F
0x30
0x2F
0x20
0x1F
0x00
Special Function
Registers (SFRs)
Byte-addressable area
Byte or bit-addressable area
Direct Addressing
Table 4: Internal Data Memory Map
Register banks R0…R7 (x4)
Indirect Addressing
RAM
DS_1210F_001
Rev. 1.4
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