参数资料
型号: m789436
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-Bit Single-Chip Microcontrollers
中文描述: 8位单芯片微控制器
文件页数: 71/144页
文件大小: 1378K
代理商: M789436
CHAPTER 1 GENERAL
32
User’s Manual U15075EJ1V0UM00
1.6 Block Diagram
1.6.1 Block diagram of
PD789426, 789436 Subseries
VDD
VSS
IC
(VPP)
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
VLC0 to VLC2
CAPH
CAPL
LCD controller
driver
P50 to P53
Port 5
System control
RESET
X1
X2
XT1
XT2
Interrupt control
INTP0/P30
INTP1/P31
INTP2/P32
INTP3/P33
KR0/P00 to
KR3/P03
TO61/P33
BZO90/P21
Serial
Iinterface 20
SCK20/ASCK20/P23
SI20/RxD20/P25
SO20/TxD20/P24
SS20/P22
A/D converter
ANI0/P60 to
ANI5/P65
AVSS
AVDD
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 parenthesized values apply to the
PD78F9436.
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