XA-G3 NXP Semiconductors, XA-G3 Datasheet - Page 27

• Manufacturer Part Number: XA-G3
• Description: Xa 16-bit Microcontroller Family 32k/512 Otp/rom/romless, Watchdog, 2 Uarts
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Apr 07
UNMULTIPLEXED
* DATA IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
UNMULTIPLEXED
XA 16-bit microcontroller family
32K/512 OTP/ROM/ROMless, watchdog, 2 UARTs
MULTIPLEXED
MULTIPLEXED
ADDRESS
AND DATA
ADDRESS
AND DATA
ADDRESS
ADDRESS
ALE
ALE
RD
RD
t
AVLL
Figure 19. External Data Memory Read Cycle (Non-ALE Cycle) 8 Bit Bus Only
A4–A11 or A4–A19
A4–A11
Figure 18. External Data Memory Read Cycle (ALE Cycle)
t
LLAX
t
LLRL
t
AVDVA
A0 or A1–A3, A12–A19
A0–A3, A12–A19
t
RLDV
27
t
RLRH
t
RHDX
DATA IN
*
D0–D7
t
RHDZ
t
DXUA
t
AVDVB
A0–A3, A12–A19
Product specification
XA-G3
DATA IN
SU00708A
SU00947
*