参数资料
型号: EM6640SO18A
英文描述: Advanced Synchronous Rectified Buck MOSFET Drivers with Pre-POR OVP; Temperature Range: -40°C to 85°C; Package: 8-SOIC
中文描述: 微控制器
文件页数: 4/62页
文件大小: 620K
代理商: EM6640SO18A
EM6640
03/02 REV. C/446
Copyright
2002, EM Microelectronic-Marin SA
12
www.emmicroelectronic.com
4.6 CPU State after Reset
Reset initializes the CPU as shown in Table below.
Table 4.6.1 Initial CPU value after Reset.
Name
Bits
Symbol
Initial Value
Program counter 0
12
PC0
$000 (as a result of Jump 0)
Program counter 1
12
PC1
undefined
Program counter 2
12
PC2
undefined
stack pointer
2
SP
SP[0] selected
index register
7
IX
undefined
Carry flag
1
CY
undefined
Zero flag
1
Z
undefined
Halt
1
HALT
0
Instruction register
16
IR
Jump 0
Periphery registers
4
Reg.....
see peripheral memory map
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