Oki MSM80C154S Manuel d'utilisateur télécharger pdf (Page 32)

290

¡ SemiconductorMSM80C154S/83C154S

LHLL

WHLH

LLDV

LLWL

RLRH

AVLL

LLAX

RLDV

RHDX

RHDZ

AVWL

AVDV

PCH A8 to A15 PCH P2.0 to P2.7 DATA A8 to A15 DPHor A8 to A15 PCH

A0 to A7

PCL

A0 to A7

Rr or DPL

A0 to A7

PCL

INSTR

ALE

PSEN

PORT 0

PORT 2

DATA IN

AZRL

LHLL

WHLH

LLWL

WLWH

AVLL

LLAX

QVWH

WHQX

AVWL

A8 to A15 PCH P2.0 to P2.7 DATA A8 to A15 DPHor A8 to A15 PCH

A0 to A7

PCL

A0 to A7

Rr or DPL

A0 to A7

PCL

INSTR

ALE

PSEN

PORT 0

PORT 2

DATA (ACC)

A8 to A15

PCH

QVWX

(4) External data memory read cycle

(5) External data memory write cycle

1 2 ... 27 28 29 30 31 32 33 34 35 36

¡ Semiconductor 1
BLOCK DIAGRAM (MSM83C154S) 3
PIN CONFIGURATION (TOP VIEW) 4
PIN CONFIGURATION (Continued) 5
NC : No-connection pin 6
44-Pin Plastic TQFP 6
PIN DESCRIPTIONS 8
PIN Descriptions (Continued) 9
REGISTERS 10
Special Function Registers 11
Timer mode register (TMOD) 11
Power control register (PCON) 12
Timer control register (TCON) 13
I/O control register (IOCON) 18
MEMORY MAPS 20
DATA ADDRESSING 22
BIT ADDRESSING 22
ABSOLUTE MAXIMUM RATINGS 23
ELECTRICAL CHARACTERISTICS 24
DC Characteristics 2 26
AC Characteristics 29
Timing Diagram 36
Basic timing 36

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Oki MSM80C154S Manuel d'utilisateur Page 32

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