UPD70F3116 Datasheet, PDF (776/826 Pages) NEC – 32-Bit Single-Chip Microcontrollers

CHAPTER 18 ELECTRICAL SPECIFICATIONS
(c) Read cycle (CLKOUT synchronous/asynchronous, 1 wait)
T1
T2
TW
T3
CLKOUT (output)
<45>
A16 to A23 (output)
CS0 to CS7 (output)
AD0 to AD15 (I/O)
ASTB (output)
RD (output)
<19>
<46>
Hi-Z
Address
<47>
<16> <17>
<49> <50>
Data
<47>
<22>
<27>
<48>
<21>
<18>
<20>
<35> <52>
<37>
<36>
<38>
<53>
<26>
<52> <53>
<24>
<48>
<23>
<25>
WAIT (input)
<31>
<33>
<32>
<34>
Caution When interfacing with the external device using the CLKOUT signal, set the internal system
clock frequency (fXX) to 32 MHz or lower.
Remark LWR and UWR are high level.
776
User’s Manual U14492EJ5V0UD