lpc11u23 NXP Semiconductors, lpc11u23 Datasheet - Page 48
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lpc11u23
Manufacturer Part Number
lpc11u23
Description
32-bit Arm Cortex-m0 Microcontroller; Up To 32 Kb Flash; Up To 10 Kb Sram And 4 Kb Eeprom; Usb Device; Usart
Manufacturer
NXP Semiconductors
Datasheet
1.LPC11U23.pdf
(70 pages)
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
lpc11u23FBD48/301,
Manufacturer:
Intersil
Quantity:
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Company:
Part Number:
lpc11u23FBD48/301,
Manufacturer:
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Quantity:
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NXP Semiconductors
Table 16.
[1]
[2]
LPC11U2X
Product data sheet
[3]
[4]
Symbol
SPI master (in SPI mode)
T
t
t
t
t
SPI slave (in SPI mode)
T
t
t
t
t
DS
DH
v(Q)
h(Q)
DS
DH
v(Q)
h(Q)
cy(clk)
cy(PCLK)
T
main clock frequency f
and the SPI CPSDVSR parameter (specified in the SPI clock prescale register).
T
T
T
cy(clk)
amb
cy(clk)
amb
= 40 C to 85 C.
= 25 C; for normal voltage supply range: V
= (SSPCLKDIV (1 + SCR) CPSDVSR) / f
= 12 T
Dynamic characteristics of SPI pins in SPI mode
Parameter
clock cycle time
data set-up time
data hold time
data output valid time in SPI mode
data output hold time in SPI mode
PCLK cycle time
data set-up time
data hold time
data output valid time in SPI mode
data output hold time in SPI mode
10.6 SSP interface
cy(PCLK)
main
.
, the SPI peripheral clock divider (SSPCLKDIV), the SPI SCR parameter (specified in the SSP0CR0 register),
Conditions
full-duplex mode
when only transmitting
in SPI mode
in SPI mode
in SPI mode
in SPI mode
2.4 V V
2.0 V V
1.8 V V
All information provided in this document is subject to legal disclaimers.
DD
DD
DD
DD
3.6 V
< 2.4 V
< 2.0 V
Rev. 2 — 13 January 2012
main
= 3.3 V.
. The clock cycle time derived from the SPI bit rate T
[1]
[1]
[2]
[2]
[2]
[2]
[2]
[2]
[3][4]
[3][4]
[3][4]
[3][4]
Min
50
40
15
20
24
0
-
0
20
0
3 T
-
-
cy(PCLK)
32-bit ARM Cortex-M0 microcontroller
+ 4
Typ
-
-
-
-
-
-
-
-
-
-
-
Max
-
-
-
-
10
-
-
-
-
3 T
2 T
cy(PCLK)
cy(PCLK)
LPC11U2x
cy(clk)
© NXP B.V. 2012. All rights reserved.
is a function of the
+ 11
+ 5
48 of 70
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns