Electronic component search and free download site. Transistors,MosFET ,Diode,Integrated circuits
English
한국어
日本語
русский
简体中文
español
Número de pieza
componentes Descripción
HD404334 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
Número de pieza
componentes Descripción
Fabricante
HD404334
4-bit HMCS400-Series microcomputer
Hitachi -> Renesas Electronics
HD404334 Datasheet PDF : 78 Pages
First
Prev
31
32
33
34
35
36
37
38
39
40
Next
Last
HD404339 Series
Data control register (DCR0: $030, DCR3 to DCR7: $033 to $037)
DCR0, DCR3
to DCR7
Bit
3
2
1
0
Initial value
Read/Write
Bit name
0
0
0
0
W
W
W
W
DCR03,
DCR33
to
DCR63
DCR02,
DCR32
to
DCR72
DCR01,
DCR31
to
DCR71
DCR00,
DCR30
to
DCR70
Bits 0 to 3 CMOS Buffer Control
0
CMOS buffer off
(high impedance)
1
CMOS buffer on
Correspondence between ports and DCR bits
Register Bit 3 Bit 2 Bit 1 Bit 0
DCR0
R0
3
R0
2
R0
1
R0
0
DCR3
R3
3
R3
2
R3
1
R3
0
DCR4
R4
3
R4
2
R4
1
R4
0
DCR5
R5
3
R5
2
R5
1
R5
0
DCR6
R6
3
R6
2
R6
1
R6
0
DCR7 Not used R7
2
R7
1
R7
0
Figure 22 Data Control Register (DCR)
31
Share Link:
datasheetq.com [
Privacy Policy
]
[
Request Datasheet
] [
Contact Us
]