PIC18F45J11-I/ML Microchip Technology, PIC18F45J11-I/ML Datasheet - Page 292
![IC PIC MCU FLASH 32K 2V 44-QFN](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F45J11-I/ML
Manufacturer Part Number
PIC18F45J11-I/ML
Description
IC PIC MCU FLASH 32K 2V 44-QFN
Manufacturer
Microchip Technology
Series
PIC® XLP™ 18Fr
Specifications of PIC18F45J11-I/ML
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
34
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2.15 V ~ 3.6 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Controller Family/series
PIC18
No. Of I/o's
22
Ram Memory Size
3.6875KB
Cpu Speed
48MHz
No. Of Timers
5
No. Of Pwm Channels
2
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3776 B
Interface Type
EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136, DM163022, DM183032, MA180023
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
A/d Bit Size
10 bit
A/d Channels Available
13
Height
0.88 mm
Length
8 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.15 V
Width
8 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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PIC18F46J11 FAMILY
18.5.3.4
Unlike 5-Bit Address Masking mode, 7-Bit Address
Masking mode uses a mask of up to eight bits (in 10-bit
addressing) to define a range of addresses than can be
Acknowledged, using the lowest bits of the incoming
address. This allows the module to Acknowledge up to
127 different addresses with 7-bit addressing, or
255 with 10-bit addressing (see Example 18-4). This
mode is the default configuration of the module, and is
selected when MSSPMSK is unprogrammed (‘1’).
The address mask for 7-Bit Address Masking mode is
stored in the SSPxMSK register, instead of the
SSPxCON2 register. SSPxMSK is a separate hard-
ware register within the module, but it is not directly
addressable. Instead, it shares an address in the SFR
space with the SSPxADD register. To access the
SSPxMSK register, it is necessary to select MSSP
mode, ‘1001’ (SSPCON1<3:0> = 1001), and then read
or write to the location of SSPxADD.
To use 7-Bit Address Masking mode, it is necessary to
initialize SSPxMSK with a value before selecting the
I
sequence of events is:
1.
2.
3.
EXAMPLE 18-4:
DS39932C-page 292
2
C Slave Addressing mode. Thus, the required
7-Bit Addressing:
10-Bit Addressing:
Select
(SSPxCON2<3:0> = 1001).
Write the mask value to the appropriate
SSPxADD register address (FC8h for MSSP1,
F6Eh for MSSP2).
Set
(SSPxCON2<3:0> = 0111 for 10-bit addressing,
0110 for 7-bit addressing).
SSPxADD<7:1>= 1010 000
SSPxMSK<7:1>= 1111 001
Addresses Acknowledged = A8h, A6h, A4h, A0h
SSPxADD<7:0> = 1010 0000 (The two MSbs are ignored in this example since they are not affected)
SSPxMSK<5:1> = 1111 0
Addresses Acknowledged = A8h, A6h, A4h, A0h
the
7-Bit Address Masking Mode
SSPxMSK
appropriate
ADDRESS MASKING EXAMPLES IN 7-BIT MASKING MODE
I
2
Access
C
Slave
mode
mode
Setting or clearing mask bits in SSPxMSK behaves in
the opposite manner of the ADMSK bits in 5-Bit
Address Masking mode. That is, clearing a bit in
SSPxMSK causes the corresponding address bit to be
masked; setting the bit requires a match in that
position. SSPxMSK resets to all ‘1’s upon any Reset
condition and, therefore, has no effect on the standard
MSSP operation until written with a mask value.
With 7-Bit Address Masking mode, SSPxMSK<7:1>
bits mask the corresponding address bits in the
SSPxADD register. For any SSPxMSK bits that are
active
SSPxADD address bit is ignored (SSPxADD<n> = x).
For the module to issue an address Acknowledge, it is
sufficient to match only on addresses that do not have
an active address mask.
With 10-Bit Address Masking mode, SSPxMSK<7:0>
bits mask the corresponding address bits in the
SSPxADD register. For any SSPxMSK bits that are
active (= 0), the corresponding SSPxADD address bit
is ignored (SSPxADD<n> = x).
Note:
(SSPxMSK<n> = 0),
The two MSbs of the address are not
affected by address masking.
© 2009 Microchip Technology Inc.
the
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