PXAS30 Philips Semiconductors, PXAS30 Datasheet - Page 45

• 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
*DATA OUT is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
ADDRESS BUS
2
RD, OR PSEN)
BUS STROBE
C, 2 UARTs, 16 MB address range
Address and Data
(WRL, WRH,
Unmultiplexed
XTAL1
WAIT
Multiplexed
ALE
CLKOUT
Address
ALE
WR
t
CRAR
t
WTH
t
AVLL
A4–A11 or A4–A23
Figure 30. External Data Memory Write Cycle
t
CHWTH
t
AVWL
Figure 31. WAIT Signal Timing
t
t
WTL
LLAX
t
LLWL
t
CHWL
A0 or A1–A3, A12–A23
t
CHWTL
45
t
QVWX
t
QVCH
t
WLWH
(The dashed line shows the strobe without WAIT.)
DATA OUT*
t
CHWH
t
UAWH
t
t
CHQX
WHQX
t
CHQZ
Preliminary specification
XA-S3
SU01068
SU00945