LPC1226FBD48/301 NXP Semiconductors, LPC1226FBD48/301 Datasheet - Page 46
![MCU, 96K FLASH, CORTEX-M0, 48LQFP](/photos/19/0/190032/ge48lqfp05-40_sml.jpg)
LPC1226FBD48/301
Manufacturer Part Number
LPC1226FBD48/301
Description
MCU, 96K FLASH, CORTEX-M0, 48LQFP
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1224FBD48201.pdf
(60 pages)
Specifications of LPC1226FBD48/301
Rohs Compliant
YES
Featured Product
LPC122x Cortex-M0 Microcontrollers
Core Processor
ARM Cortex-M0
Core Size
32-Bit
Speed
45MHz
Connectivity
I²C, IrDA, Microwire, SPI, SSI, SSP, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number Of I /o
39
Program Memory Size
96KB (96K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Controller Family/series
LPC1200
No. Of I/o's
39
Ram Memory Size
8KB
Cpu Speed
30MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
568-5161
LPC1226FBD48/301
LPC1226FBD48/301
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LPC1226FBD48/301
Manufacturer:
ROHM
Quantity:
12 000
Company:
Part Number:
LPC1226FBD48/301,1
Manufacturer:
NXP Semiconductors
Quantity:
10 000
NXP Semiconductors
Table 15.
T
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
LPC122X
Objective data sheet
Symbol
t
t
t
t
t
f
LOW
HIGH
HD;DAT
SU;DAT
amb
Parameters are valid over operating temperature range unless otherwise specified.
tHD;DAT is the data hold time that is measured from the falling edge of SCL; applies to data in transmission and the acknowledge.
A device must internally provide a hold time of at least 300 ns for the SDA signal (with respect to the V
bridge the undefined region of the falling edge of SCL.
C
The maximum t
250 ns. This allows series protection resistors to be connected in between the SDA and the SCL pins and the SDA/SCL bus lines
without exceeding the maximum specified t
In Fast-mode Plus, fall time is specified the same for both output stage and bus timing. If series resistors are used, designers should
allow for this when considering bus timing.
The maximum t
t
the clock stretches the SCL, the data must be valid by the set-up time before it releases the clock.
tSU;DAT is the data set-up time that is measured with respect to the rising edge of SCL; applies to data in transmission and the
acknowledge.
A Fast-mode I
This will automatically be the case if the device does not stretch the LOW period of the SCL signal. If such a device does stretch the
LOW period of the SCL signal, it must output the next data bit to the SDA line t
Standard-mode I
VD;ACK
=
b
= total capacitance of one bus line in pF. If mixed with Hs-mode devices, faster fall times are allowed.
40
by a transition time. This maximum must only be met if the device does not stretch the LOW period (t
Dynamic characteristic: I
C to +85
2
Parameter
fall time
LOW period of the SCL clock
HIGH period of the SCL clock
data hold time
data set-up time
C-bus device can be used in a Standard-mode I
f
HD;DAT
for the SDA and SCL bus lines is specified at 300 ns. The maximum fall time for the SDA output stage t
2
C-bus specification) before the SCL line is released. Also the acknowledge timing must meet this set-up time.
C.
could be 3.45 s and 0.9 s for Standard-mode and Fast-mode but must be less than the maximum of t
[1]
2
C-bus pins
All information provided in this document is subject to legal disclaimers.
f
.
Rev. 1.2 — 29 March 2011
[3][4][5][6]
[2][3][7]
[8][9]
2
C-bus system but the requirement t
Conditions
of both SDA and
SCL signals
Standard-mode
Fast-mode
Fast-mode Plus
Fast-mode
Fast-mode Plus
Standard-mode
Fast-mode
Fast-mode Plus
Standard-mode
Fast-mode
Fast-mode Plus
Standard-mode
Standard-mode
Fast-mode
Fast-mode Plus
r(max)
+ t
32-bit ARM Cortex-M0 microcontroller
SU;DAT
Min
-
20 + 0.1 C
-
4.7
1.3
0.5
4.0
0.6
0.26
0
0
0
250
100
50
= 1000 + 250 = 1250 ns (according to the
SU;DAT
IH
b
(min) of the SCL signal) to
= 250 ns must then be met.
LOW
LPC122x
© NXP B.V. 2011. All rights reserved.
Max
300
300
120
-
-
-
-
-
-
-
-
-
) of the SCL signal. If
-
-
-
f
is specified at
VD;DAT
Unit
ns
ns
ns
s
s
s
s
s
s
s
s
s
ns
ns
ns
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or