mpc235 Megawin Technology, mpc235 Datasheet - Page 48

• Manufacturer Part Number: mpc235
• Description: Low-speed Usb Micro-controller
• Manufacturer: Megawin Technology

Note:
Mnemonic
48
STA
STX
STY
STZ
TAX
TXA
TAY
TYA
TSX
TXS
TRB
TSB
*
Add one clock period of page boundary is crossed.
Operand(s)
addr
(addr
addr
(addr
(addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
addr
8
8
16
16
16
8
8
16
8
8
16
8
8
16
16
8
16
8
16
8)
8
8
, X
, Y
, X
, X
, X)
), Y
, X
, Y
, X
MPC235 Technical Summary
Operation description
(addr
[(addr
[addr
{[addr
[(addr
(addr
[addr
[addr
(addr
[addr
(addr
(addr
[addr
(addr
(addr
[addr
(addr
[addr
(X) ← (ACC)
(ACC) ← (X)
(Y) ← (ACC)
(ACC) ← (Y)
(X) ← (SP)
(SP) ← (X)
(addr
(addr
(addr
(addr
8
16
16
8
8
8
16
8
16
8
16
8
16
8
16
8
16
8
16
8)
8
8→16
) ← (ACC)
) ← (X)
) ← (Y)
) ← 00H
) ← (~ACC) ∩ (addr
) ← (ACC) ∪ (addr
+ (X)] ← (ACC)
+ (Y)] ← (X)
+ (X)] ← (Y)
+ (X)] ← 00H
) ← (ACC)
) ← (X)
) ← (Y)
) ← 00H
) ← (~ACC) ∩ (addr
) ← (ACC) ∪ (addr
+ (X)
] ← (ACC)
+ (X)] ← (ACC)
+ (Y)] ← (ACC)
+ (X)] ← 00H
) + (Y)] ← (ACC)
→16
]} ← (ACC)
8
)
16
8
)
16
)
)
Flag
Z, S
Z, S
Z, S
Z, S
Z, S
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MEGAWIN
Byte Cycle
2
2
2
2
2
3
3
3
2
2
3
2
2
3
2
2
3
3
1
1
1
1
1
1
2
3
2
3
6
4
4
3
5
4
6
4
3
4
4
3
4
4
3
4
4
5
2
2
2
2
2
2
5
6
5
6
*
*
*