sh6631a SinoWealth Micro-Electronics Corp. Ltd, sh6631a Datasheet - Page 15

• Manufacturer Part Number: sh6631a
• Description: Mask 4-bit Microcontroller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

Control Instruction
Where:
RTNW H; L
Mnemonic
CALL X
BAZ X
BNZ X
BC
JMP X
BNC X
BA0 X
BA1 X
BA2 X
BA3 X
-AC
STOP
TJMP
HALT
PC
AC
CY
Mx
RTNI
ST
NOP
P
X
11010 1000 000 0000
1110p xxxx xxx xxxx
11110 1111 111 1111
11111 1111 111 1111
10010 xxxx xxx xxxx
10000 xxxx xxx xxxx
10011 xxxx xxx xxxx
10001 xxxx xxx xxxx
10100 xxxx xxx xxxx
10101 xxxx xxx xxxx
10110 xxxx xxx xxxx
10111 xxxx xxx xxxx
11000 xxxx xxx xxxx
11010 000h hhh llll
11011 0000 000 0000
11011 1000 000 0000
Program counter
Accumulator
Complement of accumulator
Carry flag
Data memory
ROM page = 0
Stack
Instruction Code
15
PC
PC
PC
PC
PC
PC
PC
PC
ST
PC
PC
AC
CY; PC ← ST
PC ← X (Include p)
No Operation
PC ← (PC11-PC8) (TBR) (AC)
← CY; PC + 1
← X if AC = 0
← X if AC ≠ 0
← X if CY = 1
← X if CY ≠ 1
← X if AC (0) = 1
← X if AC (1) = 1
← X if AC (2) = 1
← X if AC (3) = 1
← X (Not include p)
←ST; TBR ← hhhh;
←llll
TBR
bbb
Function
⊕
&
I
|
Immediate data
Logical exclusive OR
Logical OR
Logical AND
RAM bank = 000
Table Branch Register
Flag Change
SH6631A
CY