UPD70208HGF-12-3B9 NEC [NEC], UPD70208HGF-12-3B9 Datasheet - Page 10

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

10
BLOCK DIAGRAM
(1) V40HL
CPU :
CG
BIU :
BAU :
WCU :
TOUT2
TOUT1
TCTL2
INTAK
INTP7
INTP6
INTP5
INTP4
INTP3
INTP2
INTP1
TCLK
:
NMI
X2
X1
Central Processing Unit
Clock Generator
Bus Interface Unit
Bus Arbitration Unit
Wait Control Unit
TCU
CG
ICU
SCU
Data Sheet U13225EJ4V0DS00
REFU :
TCU
SCU
ICU
DMAU :
CPU
DMAU
:
:
:
Reflesh Control Unit
Timer/Count Unit
Serial Control Unit
Interrupt Control Unit
DMA Control Unit
WCU
BIU
BAU
REFU
PD70208H, 70216H
POLL
BUSLOCK
BUFEN
BUFR/W
High
ASTB
IOWR
IORD
MWR
MRD
READY
RESOUT
RESET
HLDAK
HLDRQ