參數(shù)資料
型號: UPD784038YGK
廠商: NEC Corp.
英文描述: RECTIFIER BRIDGE 1.5A 1000V 40A-ifsm 1.1V-vf 5uA-ir KBP 35/TUBE
中文描述: 16-/8-bit的單晶片微控制器
文件頁數(shù): 25/94頁
文件大?。?/td> 503K
代理商: UPD784038YGK
25
μ
PD784035Y, 784036Y, 784037Y, 784038Y
6.2.2 Control registers
(1) Program counter (PC)
The program counter is a 20-bit register whose contents are automatically updated when the program is
executed.
Figure 6-6. Program Counter (PC) Format
(2) Program status word (PSW)
This register holds the statuses of the CPU. Its contents are automatically updated when the program is
executed.
Figure 6-7. Program Status Word (PSW) Format
Note
This flag is provided to maintain compatibility with the 78K/III Series. Be sure to clear this flag to 0, except
when the software for the 78K/III Series is used.
(3) Stack pointer (SP)
This is a 24-bit pointer that holds the first address of the stack. Be sure to write 0 to the higher 4 bits of this
pointer.
Figure 6-8. Stack Pointer (SP) Format
19
0
PC
15
14
13
12
11
10
9
8
UF
RBS2
RBS1
RBS0
PSWH
7
6
5
4
3
2
1
0
S
Z
RSS
Note
AC
IE
P/V
0
CY
PSWL
PSW
23
0
SP
20
0
0
0
0
相關(guān)PDF資料
PDF描述
UPD784035YGC 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784035YGK 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784035Y 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784037Y 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784038Y 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
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