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XA-G3 Datasheet, PDF (27/36 Pages) NXP Semiconductors – XA 16-bit microcontroller family 32K/512 OTP/ROM/ROMless, watchdog, 2 UARTs | |||
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Philips Semiconductors
XA 16-bit microcontroller family
32K/512 OTP/ROM/ROMless, watchdog, 2 UARTs
Product specification
XA-G3
ALE
RD
MULTIPLEXED
ADDRESS
AND DATA
UNMULTIPLEXED
ADDRESS
tLLRL
tRLRH
tAVLL
tLLAX
A4âA11 or A4âA19
tRLDV
tRHDZ
tRHDX
DATA IN *
tAVDVA
A0 or A1âA3, A12âA19
tDXUA
* DATA IN is either D0âD7 or D0âD15, 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
A4âA11
D0âD7
A0âA3, A12âA19
DATA IN *
tAVDVB
A0âA3, A12âA19
Figure 19. External Data Memory Read Cycle (Non-ALE Cycle) 8 Bit Bus Only
SU00708A
1999 Apr 07
27
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