XA-S3 Datasheet, PDF (44/52 Pages) NXP Semiconductors – XA 16-bit microcontroller 32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage 2.7 V.5.5 V, I2C, 2 UARTs, 16 MB address range

Philips Semiconductors
XA 16-bit microcontroller
32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage (2.7 V–5.5 V),
I²C, 2 UARTs, 16 MB address range
Preliminary specification
XA-S3
CLKOUT
ALE
RD
Multiplexed
Address and Data
Unmultiplexed
Address
t_LHLL
t_CHRL
t_CHRH
t_LLRL
t_RLRH
t_RHDZ
t_CHDZ
t_AVLL
t_LLAX
A4–A11 or A4–A23
t_RLDV
t_DVCH t_CHDX
t_RHDX
DATA IN*
t_AVDVA
A0 or A1–A3, A12–A23
t_DXUA
*DATA IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
Figure 28. External Data Memory Read Cycle (ALE Cycle)
RD
Multiplexed
Address and Data
Unmultiplexed
Address
t_AVDVB
A0–A3, A12–A23
D0–D7
Figure 29. External Data Memory Read Cycle (Non-ALE Cycle)
SU00944
SU00950A
2000 Dec 01
44