Toshiba TLCS-90 Series Data Book page 60

TOSHIBA
ALE
DBO-7
TMP 80 C48AP / -6, TMP 80 C3SAP / -6, TMP 80 C48AF / -6,
TMP80C48AT,TMP80C3SAT
C. Write into External Data Memory
'CAl
1
D. Timing of Port 2 during Expander Instruction Execution
ALE
'CAl
PORTl.2
PORT 1.2 DATA NEW PORT 1.2
DATA
PORT 20-23
PORT 20-23 DATA PCH
PORT 20-23
pORT 20-23 DATA
PCH
PROCi
MCU48-S0