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參數資料
| 型號： | ADE7169ACPF16 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver |
| 中文描述： | ANALOG CIRCUIT, QCC64 |
| 封裝： | 9 X 9MM, MO-220VMMD, LFCSP-64 |
| 文件頁數： | 132/140頁 |
| 文件大小： | 1359K |
| 代理商： | ADE7169ACPF16 |
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ADE7169F16
Preliminary Technical Data
DUAL DATA POINTERS
The ADE7169F16 incorporates two data pointers. The second
data pointer is a shadow data pointer and is selected via the data
Table 132. Data Pointer Control SFR SFR (DPCON, 0xA7)
Bit
Location
Mnemonic
Value
Rev. PrD | Page 132 of 140
pointer control SFR (DPCON). DPCON features automatic
hardware post-increment and post-decrement as well as an
automatic data pointer toggle.
Bit
Default
Description
7
----
0
Not Implemented. Write Don’t Care.
6
DPT
0
Data Pointer Automatic Toggle Enable.
Cleared by the user to disable auto swapping of the DPTR.
Set in user software to enable automatic toggling of the DPTR after each MOVX or MOVC
instruction.
DP1m1,
DP1m0
0
Shadow Data Pointer Mode. These bits enable extra modes of the shadow data pointer
operation, allowing more compact and more efficient code size and execution.
DP1m1
DP1m0
Behavior of the Shadow Data Pointer
0
0
8052 behavior.
0
1
DPTR is post-incremented after a MOVX or a MOVC instruction.
1
0
DPTR is post-decremented after a MOVX or MOVC instruction.
5, 4
1
1
DPTR LSB is toggled after a MOVX or MOVC instruction. (This
instruction can be useful for moving 8-bit blocks to/from 16-bit
devices.)
DP0m1,
DP0m0
0
Main Data Pointer Mode. These bits enable extra modes of the main data pointer operation,
allowing more compact and more efficient code size and execution.
DP0m1
DP0m0
Behavior of the Main Data Pointer
0
0
8052 behavior.
0
1
DPTR is post-incremented after a MOVX or a MOVC instruction.
1
0
DPTR is post-decremented after a MOVX or MOVC instruction.
3, 2
1
1
DPTR LSB is toggled after a MOVX or MOVC instruction. (This
instruction is useful for moving 8-bit blocks to/from 16-bit devices.)
1
----
0
Not Implemented. Write Don’t Care.
0
DPSEL
0
Data Pointer Select.
Cleared by the user to select the main data pointer. This means that the contents of this 16-
bit register are placed into the DPL, and DPH SFRs.
Set by the user to select the shadow data pointer. This means that the contents of a separate
16-bit register appear in the DPL, and DPH SFRs.
Note the following:
The Dual Data Pointer section is the only place in which
main and shadow data pointers are distinguished.
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