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參數(shù)資料
| 型號(hào)： | 784214AY |
| 廠商： | NEC Corp. |
| 英文描述： | MOS INTEGRATED CIRCUIT |
| 中文描述： | 馬鞍山集成電路 |
| 文件頁(yè)數(shù)： | 29/100頁(yè) |
| 文件大?。?/td> | 564K |
| 代理商： | 784214AY |
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Data Sheet U14121EJ2V0DS00
29
μ
PD784214A, 784215A, 784216A, 784217A, 784218A, 784214AY, 784215AY, 784216AY, 784217AY, 784218AY
www.DataSheet4U.com
6.2 CPU Registers
6.2.1 General-purpose registers
Sixteen 8-bit general-purpose registers are available. Two 8-bit registers can also be used in pairs as a 16-bit
register. Of the 16-bit registers, four can be used in combination with an 8-bit register for address expansion as 24-
bit address specification registers.
Eight banks of these register sets are available and can be selected by using software or the context switching
function.
The general-purpose registers except the V, U, T, and W registers for address expansion are mapped to the
internal RAM.
Figure 6-6. General-Purpose Register Format
Caution Registers R4, R5, R6, R7, RP2, and RP3 can be used as the X, A, C, B, AX, and BC registers,
respectively, by setting the RSS bit of the PSW to 1. However, use this function only for
recycling the program of the 78K/III Series.
A (R1)
B (R3)
R5
R7
R9
R11
D (R13)
H (R15)
V
U
T
W
VVP (RG4)
UUP (RG5)
TDE (RG6)
WHL (RG7)
X (R0)
C (R2)
R4
R6
R8
R10
E (R12)
L (R14)
AX (RP0)
BC (RP1)
RP2
RP3
VP (RP4)
UP (RP5)
DE (RP6)
HL (RP7)
Names in parentheses indicate absolute names.
8 banks
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 784215A | MOS INTEGRATED CIRCUIT |
| 784215AY | MOS INTEGRATED CIRCUIT |
| 784216A | MOS INTEGRATED CIRCUIT |
| 784216AY | MOS INTEGRATED CIRCUIT |
| 784217A | MOS INTEGRATED CIRCUIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 784215A | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:MOS INTEGRATED CIRCUIT |
| 784215AY | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:MOS INTEGRATED CIRCUIT |
| 784216A | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:MOS INTEGRATED CIRCUIT |
| 784216AY | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:MOS INTEGRATED CIRCUIT |
| 784217A | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:MOS INTEGRATED CIRCUIT |
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