UPD78C14L データシートの表示（PDF） - NEC => Renesas Technology
部品番号
コンポーネント説明
メーカー
UPD78C14L Datasheet PDF : 52 Pages
| |||
X1
X2
PC0/TxD
PC1/RxD
PC2/SCK
OSC
8
SERIAL I/O
NMI
INT1
8
INT.
CONTROL
4
PC3/INT2/TI
PC4/TO
PC5/CI
PC6/CO0
PC7/CO1
TIMER
8
TIMER
EVENT
COUNTER
8
AN7-0 8
VAREF
VDD
AVSS
A/D
8
CONVERTER
16
LATCH
INC/DEC
PC
SP
EA
V
A
B
C
D
E
H
L
EA'
V'
A'
B'
C'
D'
E'
H'
L'
BUFFER
8/16
14
MAIN
G.R
PROGRAM
MEMORY
ALT (16 K-BYTE)
G.R
8
8
Note
DATA
MEMORY
(256-BYTE)
8
8
8
8
16
8
8
8
16
INTERNAL DATA BUS
16
6
LATCH LATCH
PSW
16
16
ALU
(8/16)
8
8
8
INST.REG
8
INST.
DECODER
16
READ/WRITE
CONTROL
SYSTEM
CONTROL
STANDBY
CONTROL
RD WR ALE MODE1 MODE0 RESET STOP VDD VSS
Note DATA MEMORY can only be used when RAE bit of MM register is set to 1.
External memory is necessary when 0 is set.
8 PF7-0/AB15-8
8 PD7-0/AD7-0
8 PC7-0
8 PB7-0
8 PA7-0
Share Link: 