參數(shù)資料
型號: UPD70216HLP-12
廠商: NEC Corp.
英文描述: V40HLTM, V50HLTM 16/8, 16-BIT MICROPROCESSOR
中文描述: V40HLTM,V50HLTM 16 / 8,16位微處理器
文件頁數(shù): 22/110頁
文件大小: 625K
代理商: UPD70216HLP-12
22
μ
PD70208H, 70216H
Data Sheet U13225EJ4V0DS00
3.
CPU
The CPU has the same functions as the V20HL
TM
and V30HL
TM
. In hardware terms, there are some changes regarding
the use of the bus with on-chip peripherals, but in software terms the CPU is fully compatible.
The internal block diagram of the CPU is shown in Figure 3-1.
Figure 3-1. Internal Block Diagram of CPU (1/2)
(a) V40HL
PS
SS
DS0
DS1
PFP
DP
TEMP
ADM
Q0
Q2
Q1
Q3
LC
PC
AW
BW
CW
DW
IX
IY
BP
SP
TC
TA
TB
SHIFTER
ALU
PSW
INSTRUCTION DECODER
EFFECTIVE ADDRESS
GENERATOR
29
Sub Data Bus
(16)
Main Data Bus
(16)
Q
Micro Data Bus
T-STATE
CONTROL
CYCLE
DECISION
QUEUE
CONTROL
STANDBY
CONTROL
INTERRUPT
CONTROL
NMI
INT
(From ICU)
CLOCK
(From CG)
To BIU
BCU
EXU
Internal Address/Data Bus (20)
INSTRUCTION
μ
ROM
μ
R
SEQUENCE
CONTROL
μ
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