UPD70208HGF-12-3B9 NEC [NEC], UPD70208HGF-12-3B9 Datasheet - Page 23

• Manufacturer Part Number: UPD70208HGF-12-3B9
• Description: V40HLTM, V50HLTM 16/8, 16-BIT MICROPROCESSOR
• Manufacturer: NEC [NEC]

Sub Data Bus
(16)
TC
TA
TB
Q0
Q2
Q4
Figure 3-1. Internal Block Diagram of CPU (2/2)
TEMP
PSW
ADM
DS0
DS1
PFP
ALU
CW
DW
AW
BW
PS
SS
DP
PC
BP
SP
SHIFTER
LC
IX
IY
Q1
Q3
Q5
Internal Address/Data Bus (20)
Data Sheet U13225EJ4V0DS00
Main Data Bus
(16)
(b) V50HL
INSTRUCTION DECODER
T-STATE
CONTROL
CYCLE
DECISION
QUEUE
CONTROL
EFFECTIVE ADDRESS
GENERATOR
INSTRUCTION
CONTROL
SEQUENCE
ROM
INTERRUPT
CONTROL
STANDBY
CONTROL
To BIU
PD70208H, 70216H
29
BCU
EXU
Micro Data Bus
NMI
INT
(From ICU)
CLOCK
(From CG)
23