UPD750008CUA データシートの表示（PDF） - NEC => Renesas Technology

部品番号

コンポーネント説明

メーカー

UPD750008CUA

4 BIT SINGLE-CHIP MICROCONTROLLER

NEC => Renesas Technology 

µPD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)

Address 7 6 5

0 0 0 0 H MBE RBE 0

Fig. 5-2 Program Memory Map (in µPD750006)

Internal reset start address

0

(high-order 5 bits)

0 0 0 2 H MBE RBE 0

Internal reset start address

INTBT/INT4 start address

(low-order 8 bits)

(high-order 5 bits)

0 0 0 4 H MBE RBE 0

INTBT/INT4

INT0

0 0 0 6 H MBE RBE 0

INT0

INT1

0 0 0 8 H MBE RBE 0

INT1

INTCSI

0 0 0 A H MBE RBE 0

INTCSI

INTT0

0 0 0 C H MBE RBE 0

INTT0

INTT1

start address

start address

start address

start address

start address

start address

start address

start address

start address

start address

(low-order 8 bits)

(high-order 5 bits)

(low-order 8 bits)

(high-order 5 bits)

(low-order 8 bits)

(high-order 5 bits)

(low-order 8 bits)

(high-order 5 bits)

(low-order 8 bits)

CALLF

!faddr

instruction

entry

address

Branch address

of BR BCXA, BR

BCDE, BR !addr,

BRA !addr1Note or

CALLA !addr1Note

instruction

CALL !addr

instruction

subroutine entry

address

BR $addr

instruction relative

branch address

-15 to -1,

+2 to +16

(high-order 5 bits)

INTT1

start address

(low-order 8 bits)

BRCB !caddr

instruction

branch

address

0020H

007FH

0080H

07FFH

0800H

GETI instruction reference table

Branch destination

address and

subroutine entry

address when GETI

instruction is executed

0FFFH

1000H

17FFH

BRCB !caddr

instruction

branch

address

Note Can be used only in the Mk ΙΙ mode.

Remark In addition to the above, the BR PCDE and BR PCXA instructions can cause a branch to an address with

only the 8 low-order bits of the PC changed.

18

Share Link: