upd78p058f Renesas Electronics Corporation., upd78p058f Datasheet - Page 29

• Manufacturer Part Number: upd78p058f
• Description: Mos Intergrated Circuit, 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

5.3
below.
The contents of PROM are readable to the external data bus (D0 to D7) according to the read procedure shown
(1)
(2)
(3)
(4)
(5)
The timings of the above steps (2) to (5) are shown in Figure 5-5.
PROM Read Procedure
A0 to A16
CE (Input)
OE (Input)
D0 to D7
Fix the RESET pin at low level, supply +5 V to the V
PIN CONFIGURATIONS (Top View) (2) PROM programming mode.
Supply +5 V to the V
Input address of read data into the A0 to A16 pins.
Read mode
Output data to D0 to D7 pins.
DD
and V
Hi-Z
PP
Figure 5-5. PROM Read Timings
pins.
Address Input
PP
pin, and connect all other unused pins as shown in
Data Output
Hi-Z
PD78P058F
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