XA-G37 NXP Semiconductors, XA-G37 Datasheet - Page 27

The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi

XA-G37

Manufacturer Part Number
XA-G37
Description
The Philips Semiconductors XA (eXtended Architecture) family of 16-bit single-chip microcontrollers is powerful enough to easily handle the requirements of high performance embedded applications, yet inexpensive enough to compete in the market for hi
Manufacturer
NXP Semiconductors
Datasheet
Philips Semiconductors
2002 Mar 25
* INSTR IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
XA 16-bit microcontroller family
32K OTP, 512 B RAM, watchdog, 2 UARTs
ADDRESS AND DATA
ADDRESS AND DATA
* D0–D15
UNMULTIPLEXED
UNMULTIPLEXED
MULTIPLEXED
MULTIPLEXED
ADDRESS
ADDRESS
PSEN
PSEN
ALE
ALE
Figure 17. External Program Memory Read Cycle (Non-ALE Cycle)
t
LHLL
Figure 16. External Program Memory Read Cycle (ALE Cycle)
A4–A11 or A4–A19
t
AVLL
A4–A19
t
AVIVA
t
t
LLAX
LLPL
A0 or A1–A3, A12–19
t
PLIV
A1–A3
t
PLAZ
t
PLPH
t
PXIX
INSTR IN
INSTR IN
25
*
*
t
PXIZ
t
IXUA
t
AVIVB
A0 or A1–A3, A12–19
XA-G37
SU00946
SU00707
Product data

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