UPD70320 データシートの表示（PDF） - NEC => Renesas Technology
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UPD70320 Datasheet PDF : 74 Pages
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P20/DMARQ0
P21/DMAAK0
P22/TC0
P23/DMARQ1
P24/DMAAK1
P25/TC1
TxD0
RxD0
P16/SCK0
CTS0
TxD1
RxD1
CTS1
P10/NMI
P11/INTP0
P12/INTP1
P13/INTP2/INTAK
P14/INT/POLL
PROGRAMMABLE
DMA
CONTROLLER
SERIAL
INTERFACE
BAUD RATE
GENERATOR
PROGRAMMABLE
INTERRUPT
CONTROLLER
LC
etc.
PSW
PC
ALU
TA
TB
TC
INTERNAL RAM
256 byte
• GR
• MACRO SERVICE
CHANNEL
INSTRUCTION DECODER
MICRO SEQUENSER
MICRO ROM
PFP INC
Note
INTERNAL ROM
8 Kbyte
(reserved)
QUEUE
(6 byte)
16-BIT TIMER
TIME BASE
COUNTER
PORT
PORT with
COMPARATOR
CG
TOUT/P15
Note Not user-accessible.
REFRQ CLKOUT/PO7
P0 P1 P2
PT0 to 7 VTH
A0 to A19
RESET
HLDAK/P26
HLDRQ/P27
READY/P17
MREQ
MSTB
R/W
IOSTB
POLL/INT/P14
EA
D0 to D7
X1
X2
VDD
GND
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