参数资料
型号: 71M6513-IGTR/F
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PQFP100
封装: LEAD FREE, LQFP-100
文件页数: 19/104页
文件大小: 1390K
代理商: 71M6513-IGTR/F
71M6513/71M6513H
3-Phase Energy Meter IC
DATA SHEET
SEPTEMBER 2011
2005-2011 Teridian Semiconductor Corporation
Page: 21 of 104
A Maxim Integrated Products Brand
Bit
Symbol
Function
PSW.7
CV
Carry flag
PSW.6
AC
Auxiliary Carry flag for BCD operations
PSW.5
F0
General purpose Flag 0 available for user. Not to be confused with the F0 flag
in the CESTATUS register.
PSW.4
RS1
Register bank select control bits. The contents of RS1 and RS0 select the working
register bank:
RS1/RS0
Bank selected
Location
00
Bank 0
(0x00 – 0x07)
01
Bank 1
(0x08 – 0x0F)
10
Bank 2
(0x10 – 0x17)
11
Bank 3
(0x18 – 0x1F)
PSW.3
RS0
PSW.2
OV
Overflow flag
PSW.1
-
User defined flag
PSW.0
P
Parity flag, affected by hardware to indicate odd / even number of “one” bits in the
Accumulator, i.e. even parity.
Table 9: PSW bit functions
Stack Pointer (SP): The stack pointer is a 1-byte register initialized to 0x07 after reset. This register is incremented before
PUSH and CALL instructions, causing the stack to begin at location 0x08.
Data Pointer: The data pointer (DPTR) is 2 bytes wide. The lower part is DPL, and the highest is DPH. It can be loaded as a 2-
byte register (MOV DPTR,#data16) or as two registers (e.g. MOV DPL,#data8). It is generally used to access external code or
data space (e.g. MOVC A,@A+DPTR or MOVX A,@DPTR respectively).
Program Counter: The program counter (PC) is 2 bytes wide initialized to 0x0000 after reset. This register is incremented
during the fetching operation code or when operating on data from program memory.
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