XA-G37 Datasheet, PDF (28/37 Pages) NXP Semiconductors – XA 16-bit microcontroller family 32K OTP, 512 B RAM, watchdog, 2 UARTs

Philips Semiconductors
XA 16-bit microcontroller family
32K OTP, 512 B RAM, watchdog, 2 UARTs
Product data
XA-G37
ALE
RD
MULTIPLEXED
ADDRESS
AND DATA
UNMULTIPLEXED
ADDRESS
t_LLRL
t_RLRH
t_AVLL
t_LLAX
A4–A11 or A4–A19
t_RLDV
t_RHDZ
t_RHDX
DATA IN *
t_AVDVA
A0 or A1–A3, A12–A19
t_DXUA
* DATA IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
Figure 18. External Data Memory Read Cycle (ALE Cycle)
ALE
RD
SU00947
MULTIPLEXED
ADDRESS
AND DATA
UNMULTIPLEXED
ADDRESS
A4–A11
D0–D7
A0–A3, A12–A19
DATA IN *
t_AVDVB
A0–A3, A12–A19
Figure 19. External Data Memory Read Cycle (Non-ALE Cycle) 8 Bit Bus Only
SU00708A
2002 Mar 25
26