P80C652EBB PHILIPS [NXP Semiconductors], P80C652EBB Datasheet - Page 16

• Manufacturer Part Number: P80C652EBB
• Description: CMOS single-chip 8-bit microcontrollers
• Manufacturer: PHILIPS [NXP Semiconductors]

Phlips Semiconductors
1997 Dec 05
WRITE TO SBUF
INSTRUCTION
INPUT DATA
PORT 0
PORT 2
OUTPUT DATA
CLEAR RI
CMOS single-chip 8-bit microcontrollers
PSEN
ALE
WR
CLOCK
ALE
t
AVLL
0
t
QVXH
FROM RI OR DPL
A0–A7
t
1
LLAX
t
AVWL
t
VALID
t
XLXL
LLWL
t
XHDV
P2.0–P2.7 OR A8–A15 FROM DPH
t
Figure 4. External Data Memory Write Cycle
XHQX
2
Figure 5. Shift Register Mode Timing
VALID
t
QVWX
t
XHDX
DATA OUT
t
t
3
WLWH
DW
VALID
16
4
VALID
t
WHLH
t
5
WHQX
VALID
A0–A7 FROM PCL
A8–A15 FROM PCH
6
VALID
80C652/83C652
7
VALID
Product specification
INSTR IN
8
SET TI
SET RI
VALID