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UPD784938 Datasheet(PDF) 46 Page - NEC

Part # UPD784938
Description  16-Bit Single-Chip Microcontrollers
Download  733 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD784938 Datasheet(HTML) 46 Page - NEC

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CHAPTER 1
GENERAL
46
Preliminary User’s Manual U13987EJ1V0UM00
1.5 Block Diagram
Note
µPD78F4938 only
Remark The capacities of the internal ROM and RAM varies depending on the product.
PROGRAMMABLE
INTERRUPT
CONTROLLER
TIMER/EVENT
COUNTER0
(16 BITS)
TIMER/EVENT
COUNTER1
(16 BITS)
TIMER/EVENT
COUNTER2
(16 BITS)
TIMER3
(16 BITS)
REAL-TIME
OUTPUT PORT
A/D
CONVERTER
PWM
78 K/IV
CPU CORE
ROM
RAM
UART/IOE2
UART/IOE1
BAUD-RATE
GENERATOR
BAUD-RATE
GENERATOR
CLOCKED
SERIAL
INTERFACE
CLOCK OUTPUT
BUS I/F
PORT0
PORT1
PORT2
PORT3
PORT4
PORT5
PORT6
PORT7
NMI
INTP3
TO0
TO1
INTP0
INTP1
INTP2/CI
TO2
TO3
P00 to P03
P04 to P07
PWM0
PWM1
AVDD
AVREF1
AVSS
INTP5
ANI0 to ANI7
INTP0 to INTP5
RxD/SI1
TxD/SO1
ASCK/SCK1
RxD2/SI2
ASCK2/SCK2
TxD2/SO2
SCK0
SO0
SI0
ASTB/CLKOUT
AD0 to AD7
A8 to A15
A16 to A19
RD
WR
WAIT/HLDRQ
REFRQ/HLDAK
D0 to D7Note
CENote
A0 to A16Note
OENote
PGMNote
P00 to P07
P10 to P17
P30 to P37
P40 to P47
P50 to P57
P20 to P27
P60 to P67
P70 to P77
CLOCKED
SERIAL
INTERFACE3
SCK3
SO3
SI3
PORT9
PORT10
P90 to P97
P100 to P107
TX
RX
RESET
TEST
X1
X2
REGC
REGOFF
VPPNote
VDD
VSS
XT1
XT2
SYSTEM
CONTROL
(REGULATOR)
IEBus
CONTROLLER
WATCH
TIMER
WATCHDOG
TIMER


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