UPD784915B Datasheet, PDF (7/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

INTERNAL BLOCK DIAGRAM
NMI
INTP0 to INTP3
INTERRUPT
CONTROL
PWM0 to PWM5
PTO00 to PTO02
PTO10, PTO11
SUPER TIMER
UNIT
VREFC
REEL0IN
REEL1IN
CSYNCIN
DFGIN
DPGIN
CFGIN
CFGAMPO
CFGCPIN
CTLOUT1
CTLOUT2
CTLIN
RECCTL+
RECCTL-
CTLDLY
AVDD1, AVDD2
AVSS1, AVSS2
AVREF
ANI0 to ANI1
ANALOG UNIT
&
A/D CONVERTER
SI1
SO1
SCK1
SERIAL
INTERFACE 1
SI2/BUSY
SO2
SCK2
STRB
SERIAL
INTERFACE 2
78K/IV
16-bit CPU CORE
(RAM: 512 bytes)
RAM
768 bytes
ROM
Remark Internal ROM capacity depends on the product.
µPD784915B, 784916B
SYSTEM
CONTROL
VDD
VSS
X1
X2
XT1
XT2
RESET
CLOCK OUTPUT CLO
BUZZER OUTPUT BUZ
KEY INPUT
KEY0 to KEY4
REAL-TIME
OUTPUT PORT
P00 to P07
P80, P82, P83
PORT0
P00 to P07
PORT4
P40 to P47
PORT5
P50 to P57
PORT6
P60 to P67
PORT7
P70 to P77
PORT8
P80, P82 to P87
PORT9
P90 to P96
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