XA-G3 Datasheet, PDF (26/36 Pages) NXP Semiconductors – XA 16-bit microcontroller family 32K/512 OTP/ROM/ROMless, watchdog, 2 UARTs

Philips Semiconductors
XA 16-bit microcontroller family
32K/512 OTP/ROM/ROMless, watchdog, 2 UARTs
Product specification
XA-G3
ALE
PSEN
MULTIPLEXED
ADDRESS AND DATA
UNMULTIPLEXED
ADDRESS
t_LHLL
t_AVLL t_LLPL
t_PLPH
t_LLAX
t_PLIV
t_PLAZ
t_PXIX
t_PXIZ
A4–A11 or A4–A19
INSTR IN *
t_AVIVA
t_IXUA
A0 or A1–A3, A12–19
* INSTR IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
Figure 16. External Program Memory Read Cycle (ALE Cycle)
ALE
SU00946
PSEN
MULTIPLEXED
ADDRESS AND DATA
UNMULTIPLEXED
ADDRESS
A4–A11 or A4–A19
INSTR IN *
A0 or A1–A3, A12–19
t_AVIVB
A0 or A1–A3, A12–19
* INSTR IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
Figure 17. External Program Memory Read Cycle (Non-ALE Cycle)
SU00707
1999 Apr 07
26