UPD6124AGS NEC [NEC], UPD6124AGS Datasheet - Page 14

• Manufacturer Part Number: UPD6124AGS
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC [NEC]

14
Remark
Value
D
D
D
D
D
D
D
D
D
Set
Name
0 ..........................
1 ..........................
2 ..........................
3 ..........................
4 ..........................
5 ..........................
6 ..........................
7 ..........................
8
, D
Bit
9 .................
0
1
D
0
D
= D
Specifies data to be input to A
Specifies the status of K
Specifies the status of the timer, as follows:
Specifies the carrier frequency output from the REM pin.
Specify the MSB of the ROM data pointer.
Be sure to reset them to 0.
Determines what happen to the oscillation circuit when the HALT instruction is executed.
Be sure to set this bit to 0.
These bits specify test modes. Be sure to set them to 0.
9
Test mode
0: A
0: input mode, 1: output mode
0: Count stop, 1: Count execution
0: f
0: Oscillation does not stop
1: Oscillation stops (STOP mode)
Be sure to set 0.
8
= D
OSC
3
, 1:S-IN
9
D
/8, 1: f
= 0 on reset, and the other bits are undefined.
8
OSC
Table 13-1. Control Register (P
/12
D
–
7
I/O
, as follows:
STOP
HALT
NOP
OSC
D
0
6
(b)
when the accumulator is shifted to the left.
Be sure to
set 0.
PD6600A
D.P.
AD
D
5
9
AD =0
AD =1
D.P.
AD
D
8
8
4
8
1
) (2/2)
f
f
MOD
OSC
OSC
D
/12
3
/8
STOP
Timer
RUN
D
2
PD6124A, 6600A
OUT
K
D
IN
I/O
1
RL A
S-IN
A
D
A
0
0
3
CC