pxas37kfbe NXP Semiconductors, pxas37kfbe Datasheet - Page 43

• Manufacturer Part Number: pxas37kfbe
• 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: NXP Semiconductors

Philips Semiconductors
AC WAVEFORMS
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
*INSTR IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
*INSTR IN is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
2
C, 2 UARTs, 16 MB address range
Address and Data
Address and Data
Unmultiplexed
Unmultiplexed
Multiplexed
Multiplexed
CLKOUT
Address
Address
PSEN
PSEN
ALE
t
CHLH
t
CHAV
Figure 27. External Program Memory Read Cycle (Non-ALE Cycle)
Figure 26. External Program Memory Read Cycle (ALE Cycle)
t
LHLL
t
AVLL
A4–A11 or A4–A23
t
CLLL
t
LLAX
t
LLPL
t
CHAX
t
CHPL
t
t
AVIVA
A0 or A1–A3, A12–A23
AVIVB
A0 or A1–A3, A12–A23
43
t
PLIV
t
PLPH
t
IVCH
INSTR IN*
INSTR IN*
t
t
t
CHPH
CHIX
PHIX
t
t
PHIZ
CHIZ
t
IXUA
Preliminary specification
XA-S3
SU00943A
SU00949