參數(shù)資料
型號: CYRF69213-40LFXC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: 通信及網(wǎng)絡
英文描述: Programmable Radio on Chip Low Power
中文描述: SPECIALTY TELECOM CIRCUIT, QCC40
封裝: 6 X 6 MM, LEAD FREE, M0-220, QFN-40
文件頁數(shù): 10/85頁
文件大?。?/td> 731K
代理商: CYRF69213-40LFXC
CYRF69213
Document #: 001-07552 Rev. *B
Page 10 of 85
Accumulator Register
Index Register
Stack Pointer Register
Bits 7:5
Bit 4
Reserved
XIO
Set by the user to select between the register banks
0 = Bank 0
1 = Bank 1
Super
Indicates whether the CPU is executing user code or Supervisor Code. (This code cannot be accessed directly by the user.)
0 = User Code
1 = Supervisor Code
Carry
Set by CPU to indicate whether there has been a carry in the previous logical/arithmetic operation
0 = No Carry
1 = Carry
Zero
Set by CPU to indicate whether there has been a zero result in the previous logical/arithmetic operation
0 = Not Equal to Zero
1 = Equal to Zero
Global IE
Determines whether all interrupts are enabled or disabled
0 = Disabled
1 = Enabled
Note
CPU_F register is only readable with explicit register address 0xF7. The
OR F, expr and AND F, expr
instructions must be used to set and
clear the CPU_F bits
Bit 3
Bit 2
Bit 1
Bit 0
Table 3. CPU Flags Register (CPU_F) [R/W]
Table 4. CPU Accumulator Register (CPU_A)
Bit #
Field
Read/Write
Default
Bits 7:0
8-bit data value holds the result of any logical/arithmetic instruction that uses a source addressing mode
7
6
5
4
3
2
1
0
CPU Accumulator [7:0]
0
0
0
0
0
0
0
0
CPU Accumulator [7:0]
Table 5. CPU X Register (CPU_X)
Bit #
7
6
5
4
3
2
1
0
Field
X [7:0]
Read/Write
Default
0
0
0
0
0
0
0
0
Bits 7:0
8-bit data value holds an index for any instruction that uses an indexed addressing mode
X [7:0]
Table 6. CPU Stack Pointer Register (CPU_SP)
Bit #
7
6
5
4
3
2
1
0
Field
Stack Pointer [7:0]
Read/Write
Default
0
0
0
0
0
0
0
0
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