參數(shù)資料
型號(hào): 73S1217F-68IM/F/P
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 11/93頁(yè)
文件大?。?/td> 0K
描述: IC SMART CARD READER PROG 68-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,USB
外圍設(shè)備: LED,POR,WDT
輸入/輸出數(shù): 8
程序存儲(chǔ)器容量: 64KB(64K 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 ~ 6.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 68-VFQFN 裸露焊盤(pán)
包裝: 管件
UG_12xxF_016
73S12xxF Software User Guide
Rev. 1.50
19
4
Design Reference
As depicted in Figure 1: Software Architecture Diagram, the 73S12xxF provides many design options for
an application developer. Details of the software modules are described in this section.
4.1
Memory Map
The 73S12xxF contains a high performance, embedded 80515 core, referred to as the ‘core’. It executes
all ASM51 instructions and has the same instruction set as the 80C51.
The core supports separate Program and Data memory as shown in Figure 7. The 73S12xxF family of
devices has two program sizes (32 KB and 64 KB). This program space is segmented into 512-byte
pages. There are 2048 bytes of external data RAM (XData or XRAM) and 256 bytes of internal data
RAM (IData or IRAM).
0000
00
80
FF
0000
FFFF
07FF
0800
SFR
IRAM
upper
IRAM
lower
XRAM
2 K Bytes
FLASH
PROGRAM
MEMORY
64 K Bytes
EXTERNAL
DATA
MEMORY
INTERNAL
DATA
MEMORY
Reserved for
Smart Card,
USB,
Peripheral
Control
Registers
7F
80
FC00
Direct
Addressing
Indirect
Addressing
Direct/Indirect
Adressing
Figure 7: Memory Layout
4.1.1
Program Memory
The 73S12xxF is available with either 64 KB or 32 KB of program memory. The 73S1209F/73S1210F
have 32 KB and the 73S1215F/73S1217F have 64 KB. Contact a Teridian Sales Representative for
ordering information.
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