參數(shù)資料
型號: μPD784214
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16 位單片微控制器)
中文描述: 8 / 16位單片機(jī)微控制器(8 / 16位單片微控制器)
文件頁數(shù): 24/88頁
文件大?。?/td> 427K
代理商: ΜPD784214
μ
PD784214,784215,784216
24
6.2 CPU Registers
6.2.1 General-purpose registers
Sixteen 8-bit general-purpose registers are available. Two 8-bit registers can be also 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 which can be selected by using software or the context switching
function.
The general-purpose registers except V, U, T, and W registers for address expansion are mapped to the internal
RAM.
Figure 6-4. General-Purpose Register Format
Caution
Registers R4, R5, R6, R7, RP2, and RP3 can be used as 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)
Parentheses ( ) indicate an absolute name.
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)
8 banks
相關(guān)PDF資料
PDF描述
μPD784216 8/16 Bit Single Chip Microcontrollers(8/16 位單片微控制器)
μPD784215 8/16 Bit Single Chip Microcontrollers(8/16 位單片微控制器)
μPD784216Y 8/16 Bit Single Chip Microcontrollers(8/16位單片微控制器)
μPD784217Y 8 /16 Bit Single Chip Microcontrollers(8/16位單片微控制器)
μPD784218Y 8 /16 Bit Single Chip Microcontrollers(8/16位單片微控制器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PD784976A 制造商:NEC 制造商全稱:NEC 功能描述:16-Bit Single-Chip Microcontroller
PD7869 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
PD78F0134 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers
PD78F0134(A) 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers
PD78F0134(A1) 制造商:NEC 制造商全稱:NEC 功能描述:8-Bit Single-Chip Microcontrollers