UPD753036 Datasheet, PDF (53/88 Pages) NEC – 4-BIT SINGLE-CHIP MICROCONTROLLER

µPD753036, 753036(A)
Instruction
Mnemonic
Group
Operand
Special
SEL
RBn
MBn
GETI^{Notes 1, 2} taddr
Number ^Number
of Machine
of Bytes _Cycles
Operation
Addressing
Skip Condition
Area
2
2
RBS ← n (n = 0-3)
2
2
MBS ← n (n = 0-2, 15)
1
3
• When TBR instruction
*10
PC13–0 ← (taddr)5–0+(taddr+1)
––––––––––––––––––––––––––––––––––
––––––––––––
• When TCALL instruction
(SP–4)(SP–1)(SP–2) ← PC11–0
(SP–3) ← MBE, RBE, PC13, PC12
PC13–0 ← (taddr)5–0+(taddr+1)
SP ← SP–4
––––––––––––––––––––––––––––––––––
––––––––––––
• When instruction other than TBR and
Depending on
TCALL instructions
the reference
(taddr) (taddr+1) instruction is executed
instruction
1
3
• When TBR instruction
PC13–0 ← (taddr)5–0+(taddr+1)
PC14 ← 0
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –– – – – –
4
• When TCALL instruction
(SP–5)(SP–6)(SP–3)(SP–4) ← 0, 0, PC13–0
(SP–2) ← ×, ×, MBE, RBE
PC13–0 ← (taddr)5–0+(taddr+1)
SP ← SP–6
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –– – – – –
3
• When instruction other than TBR and
TCALL instructions
(taddr) (taddr+1) instruction is executed
–––––––––––––
–––––––––––––
Depending on
the reference
instruction
Notes 1.
2.
The shaded box is applicable only to the Mk II mode. The other area is applicable only to Mk I mode.
The TBR and TCALL instructions are the table definition assembler pseudo instructions of the GETI
instruction.
Data Sheet U11353EJ4V0DS00
53