參數(shù)資料
型號: UPD6125AG
廠商: NEC Corp.
英文描述: 4-BIT SINGLE CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
中文描述: 4位單片機的遙控傳輸
文件頁數(shù): 13/40頁
文件大?。?/td> 286K
代理商: UPD6125AG
μ
PD6125A, 6126A
13
12. PORT REGISTER (P
×
)
K
I/O
, I/O, K
I
, and the control register are handled as port registers.
The table below shows the relations between the port registers and pins.
Table 12-1. Relations between Port Registers and Pins
Pin
Name
Input Mode
Output Mode
Read
Write
Read
Write
On Reset
K
I/O
Pin status
Output latch
Pin status
Output latch
Undefined [I/O mode, output latch]
K
I
Pin status
Input mode
I/O
0
Input mode
I/O
1
Output latch is undefined.
S-IN
Pin status is read by RL A instruction when D
0
of P
1
register = 1.
High impedance (D
0
of P
1
register = 0)
P
1
×
(H)
P
0
×
(L)
P
10
P
11
P
12
P
00
P
01
P
02
K
I/O7-4
K
I/O3-0
P
0
P
1
P
2
Control register (H)
Control register (L)
K
I3-0
IN/OUT
IN/OUT
I/O
0
I/O
1
P
13
P
03
P
14
P
04
P
3
P
4
Caution
The
μ
PD6125A is not equipped with I/O
10
-I/O
13
pins.
Pin status
Output latch
Pin status
Output latch
相關PDF資料
PDF描述
UPD65664 CMOS-6/6A/6V/6X 1.0-MICRON CMOS GATE ARRAYS
UPD65672 CMOS-6/6A/6V/6X 1.0-MICRON CMOS GATE ARRAYS
UPD65676 CMOS-6/6A/6V/6X 1.0-MICRON CMOS GATE ARRAYS
UPD65658 CMOS-6/6A/6V/6X 1.0-MICRON CMOS GATE ARRAYS
UPD65612 CMOS-6/6A/6V/6X 1.0-MICRON CMOS GATE ARRAYS
相關代理商/技術參數(shù)
參數(shù)描述
UPD6126A 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
UPD6126AG 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
UPD6127CS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Transmitter/Encoder
UPD6127GS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Transmitter/Encoder
UPD6129CS 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Remote-Control Transmitter/Encoder