CHAPTER 1 GENERAL
User’s Manual U15075EJ2V1UD
33
1.6 Block Diagram
1.6.1 Block diagram of
µ
PD789426, 789436 Subseries
V
DD
V
SS
IC
(V
PP
)
78K/0S
CPU core
ROM
(flash
memory)
TO50/TMI60/
P31
8-bit
timer 50
P00 to P03
Port 0
P10, P11
Port 1
P20 to P26
Port 2
P30 to P33
Port 3
TMI60/TO50/
P31
16-bit timer 90
Watch timer
Watchdog timer
TO90/P26
S0 to S4
COM0 to COM3
RAM
RAM space
for LCD
data
8-bit
timer/event
counter 60
Cascaded
16-bit
timer/
event
counter
TO60/P32
CPT90/P30
V
LC0
to V
LC2
CAPH
CAPL
LCD controller
driver
P50 to P53
Port 5
System control
RESET
X1 [CL1]
X2 [CL2]
XT1
XT2
Interrupt control
INTP0/P30
INTP1/P31
INTP2/P32
INTP3/P33
KR0/P00 to
KR3/P03
TO61/P33
BZO90/P21
Serial
interface 20
SCK20/ASCK20/P23
SI20/RxD20/P25
SO20/TxD20/P24
SS20/P22
A/D converter
ANI0/P60 to
ANI5/P65
AV
SS
AV
DD
P70 to P72
Port 7
P60 to P65
Port 6
P80, P81
Port 8
P90 to P97
Port 9
Remarks 1.
The internal ROM capacity varies depending on the product.
2.
The items in parentheses apply to the
µ
PD78F9436.
3.
The items in brackets apply when RC oscillation is selected (mask option).
Содержание U789436 Series
Страница 2: ...2 User s Manual U15075EJ2V1UD MEMO ...
Страница 7: ...User s Manual U15075EJ2V1UD 7 MEMO ...