Block Diagram - NEC 78K0 User Manual

1.6

Block Diagram

TO00/TI010/P01
TI000/P00
Note Note
TO01 /TI011 /P06
Note
TI001 /P05
TOH0/P15
TOH1/P16
TI50/TO50/P17
TI51/TO51/P33
RxD0/P11
TxD0/P10
RxD6/P14
TxD6/P13
SI10/P11
SO10/P12
SCK10/P10
Note
SI11 /P03
Note
SO11 /P02
Note
SCK11 /P04
Note
SSI11 /P05
SIA0/P143
SOA0/P144
SCKA0/P142
STB0/P145
BUSY0/P141
ANI0/P20 to
8
ANI7/P27
AV
REF
AV
SS
INTP0/P120
INTP1/P30 to
4
INTP4/P33
INTP5/P16
INTP6/P140,
INTP7/P141
µ
Note PD780146, 780148, and 78F0148 only.
Remark Items in parentheses are available only in the
44
CHAPTER 1 OUTLINE
16-bit timer/
event counter 00
Note
16-bit timer/
event counter 01
8-bit timer H0
8-bit timer H1
8-bit timer/
event counter 50
8-bit timer/
event counter 51
Watch timer
Watchdog timer
Serial
interface UART0
Serial
interface UART6
Serial
interface CSI10
Serial
Note
interface CSI11
Serial
interface CSIA0
A/D converter
Interrupt control
2
Multiplier & divider
User's Manual U15947EJ2V0UD
78K/0
ROM
CPU
(Flash
core
memory)
Clock output control
*
Internal Internal
high-speed expansion
RAM
Note
RAM
V , V , IC
DD SS
EV EV (V )
PP
DD SS
µ
PD78F0148.
7
Port 0 P00 to P06
Port 1 8 P10 to P17
Port 2 8 P20 to P27
Port 3 4
P30 to P33
Port 4
8
P40 to P47
8
Port 5 P50 to P57
8
Port 6 P60 to P67
8
Port 7 P70 to P77
Port 12 P120
Port 13 P130
Port 14 6 P140 to P145
Buzzer output BUZ/P141
PCL/P140
Clock monitor
Power on clear/
POC/LVI
low voltage
control
indicator
KR0/P70 to
Key return
8
KR7/P77
Reset control
AD0/P40 to
8
AD7/P47
A8/P50 to
8
A15/P57
External access
RD/P64
WR/P65
WAIT/P66
ASTB/P67
Ring-OSC
RESET
X1
X2
System control
XT1
XT2
Voltage regulator REGC