PXAS30 Philips Semiconductors, PXAS30 Datasheet - Page 44

• Manufacturer Part Number: PXAS30
• Description: 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
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 Dec 01
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),
I
2
*DATA IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
C, 2 UARTs, 16 MB address range
Address and Data
Address and Data
Unmultiplexed
Unmultiplexed
Multiplexed
Multiplexed
CLKOUT
Address
Address
ALE
RD
RD
Figure 29. External Data Memory Read Cycle (Non-ALE Cycle)
Figure 28. External Data Memory Read Cycle (ALE Cycle)
t
LHLL
t
AVLL
A4–A11 or A4–A23
t
LLAX
t
LLRL
t
CHRL
t
t
AVDVA
A0 or A1–A3, A12–A23
AVDVB
44
A0–A3, A12–A23
t
RLDV
t
RLRH
t
DVCH
DATA IN*
t
RHDX
t
t
CHRH
CHDX
D0–D7
t
t
RHDZ
CHDZ
t
DXUA
Preliminary specification
XA-S3
SU00950A
SU00944