UPD784907 Datasheet, PDF (13/98 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLER

5. BLOCK DIAGRAM
NMI
INTP0 to INTP5
INTP3
TO0
TO1
INTP0
INTP1
INTP2/CI
TO2
TO3
P00 to P03
P04 to P07
PWM0
PWM1
ANI0 to ANI7
AVDD
AVREF1
AVSS
INTP5
TX
RX
RESET
TEST
X1
X2
REGC
REGOFF
VDD
VSS
XT1
XT2
Programmable
interrupt controller
Timer/counter 0
(16 bits)
Timer/counter 1
(16 bits)
Timer/counter 2
(16 bits)
Timer 3
(16 bits)
Real-time output
port
PWM
A/D converter
IEBus controller
System control
(regulator)
Watch timer
78K /IV
CPU core
ROM
RAM
Watchdog timer
µPD784907, 784908
UART/IOE2
Baud-rate
generator
UART/IOE1
Baud-rate
generator
Clocked serial
interface
Clocked serial
interface 3
Clock output
Bus interface
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 differ depending on the product.
Data Sheet U11680EJ2V0DS00
13