參數(shù)資料
型號: mPD789326
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 17/96頁
文件大小: 482K
代理商: MPD789326
Preliminary Product Information U14673EJ1V0PM00
17
μ
PD789322,789324,789326,789327
4.3.2 General-purpose registers
The
μ
PD789322, 789324, 789326, and 789327 have eight 8-bit general-purpose registers (X, A, C, B, E, D, L, and
H).
These registers can be used either singly as 8-bit registers or in pairs as 16-bit registers (AX, BC, DE, and HL),
and can be described in terms of function names (X, A, C, B, E, D, L, H, AX, BC, DE, and HL) and absolute names
(R0 to R7 and RP0 to RP3).
Figure 4-6. General-Purpose Register Configuration
(a) Absolute register names
R7
R6
R5
R4
R3
R2
R1
R0
8-bit processing
7
0
RP3
RP2
RP1
RP0
16-bit processing
15
0
(b) Functional register names
H
L
D
E
B
C
A
X
8-bit processing
7
0
HL
DE
BC
AX
16-bit processing
15
0
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