pxas37kfbe NXP Semiconductors, pxas37kfbe Datasheet - Page 39
pxas37kfbe
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
Datasheet
1.PXAS37KFBE.pdf
(52 pages)
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Philips Semiconductors
AC ELECTRICAL CHARACTERISTICS (5 V RANGE) (continued)
This set of parameters is referenced to the XA-S3 clock output.
NOTES ON PAGE 41.
2000 Dec 01
Address Cycle
Code Read Cycle
Data Read Cycle
Data Write Cycle
Wait Input
SYMBOL
SYMBOL
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
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CHLH
CLLL
CHAV
CHAX
CHPL
CHPH
IVCH
CHIX
CHIZ
CHRL
CHRH
DVCH
CHDX
CHDZ
CHWL
CHWH
QVCH
CHQX
CHWTH
2
C, 2 UARTs, 16 MB address range
FIGURE
FIGURE
26
26
26
26
26
26
26
26
26
28
28
28
28
28
30
30
30
30
31
CLKOUT rising edge to ALE rising edge
CLKOUT falling edge to ALE falling edge
CLKOUT rising edge to address valid
CLKOUT rising edge to address changing (hold time)
CLKOUT rising edge to PSEN asserted
CLKOUT rising edge to PSEN de-asserted
Instruction valid to CLKOUT rising edge (setup time)
CLKOUT rising edge to instruction changing (hold time)
CLKOUT rising edge to Bus 3-State (code read)
CLKOUT rising edge to RD asserted
CLKOUT rising edge to RD de-asserted
Data valid to CLKOUT rising edge (setup time)
CLKOUT rising edge to Data changing (hold time)
CLKOUT rising edge to Bus 3-State (data read)
CLKOUT falling edge to WR asserted
CLKOUT rising edge to WR de-asserted
Data valid to CLKOUT rising edge (setup time)
CLKOUT rising edge to Data changing (hold time)
WAIT valid prior to CLKOUT rising edge
PARAMETER
PARAMETER
8
39
MIN
20
20
21
–
–
–
2
–
–
0
–
–
–
0
–
–
–
4
0
LIMITS
MAX
t
t
C
C
13
18
14
12
12
10
12
10
Preliminary specification
9
–
–
–
–
–
–
–
4
–8
–8
XA-S3
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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