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Part Name
Description
UPD784938A View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
UPD784938A
16-BIT SINGLE-CHIP MICROCONTROLLERS
NEC => Renesas Technology
UPD784938A Datasheet PDF : 102 Pages
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µ
PD784935A,784936A,784937A,784938A
5. BLOCK DIAGRAM
NMI
INTP0 to INTP5
INTP3
TO0
TO1
Programmable
interrupt controller
Timer/counter 0
(16 bits)
INTP0
INTP1
INTP2/CI
TO2
TO3
Timer/counter 1
(16 bits)
Timer/counter 2
(16 bits)
Timer 3
(16 bits)
P00 to P03
P04 to P07
PWM0
PWM1
Real-time
output port
PWM
ANI0 to ANI7
AV
DD
AV
REF1
AV
SS
INTP5
TX
RX
RESET
IC
X1
X2
REGC
REGOFF
V
DD
V
SS
XT1
XT2
A/D converter
IEBus controller
System control
(regulator)
Watch timer
78K/IV
CPU core
ROM
RAM
Watchdog timer
UART/IOE 2
Baud-rate
generator
UART/IOE 1
Baud-rate
generator
Clocked serial
interface
Clocked serial
interface 3
Clock output
Bus I/F
Port 0
Port 1
Port 2
Port 3
Port 4
Port 5
Port 6
Port 7
Port 9
Port 10
RxD/SI1
TxD/SO1
ASCK/SCK1
RxD2/SI2
TxD2/SO2
ASCK2/SCK2
SCK0
SO0
SI0
SCK3
SO3
SI3
ASTB/CLKOUT
AD0 to AD7
A8 to A15
A16 to A19
RD
WR
WAIT/HLDRQ
REFRQ/HLDAK
P00 to P07
P10 to P17
P20 to P27
P30 to P37
P40 to P47
P50 to P57
P60 to P67
P70 to P77
P90 to P97
P100 to P107
Remark
The internal ROM and RAM capacities vary depending on the product.
Data Sheet U13572EJ2V0DS
13
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