PIC32MX420F032H-40I/MR Microchip Technology, PIC32MX420F032H-40I/MR Datasheet - Page 106

• Manufacturer Part Number: PIC32MX420F032H-40I/MR
• Description: IC PIC MCU FLASH 32KX32 64-QFN
• Manufacturer: Microchip Technology
• Series: PIC® 32MXr

Specifications of PIC32MX420F032H-40I/MR

• Core Size: 32-Bit
• Program Memory Size: 32KB (32K x 8)
• Core Processor: MIPS32® M4K™
• Speed: 40MHz
• Connectivity: I²C, IrDA, LIN, PMP, SPI, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.3 V ~ 3.6 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VFQFN, Exposed Pad
• Controller Family/series: PIC32
• Ram Memory Size: 8KB
• Cpu Speed: 40MHz
• No. Of Timers: 5
• Interface: EUSART, I2C, SPI, USB
• No. Of Pwm Channels: 5
• Embedded Interface Type: EUSART, I2C, SPI, USB
• Rohs Compliant: Yes
• Processor Series: PIC32MX4xx
• Core: MIPS
• Data Bus Width: 32 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, JTAG, SPI, TWI, UART, USB
• Maximum Clock Frequency: 80 MHz
• Number Of Programmable I/os: 51
• Number Of Timers: 5
• Operating Supply Voltage: 2.3 V to 3.6 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52713-733, 52714-737
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, DM320003, DM320002, MA320002
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 876-1000 - PIC32 BREAKOUT BOARD
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

PIC32MX3XX/4XX
REGISTER 26-2:
DS61143F-page 104
bit 15-14
bit 13-12
bit 11
bit 10
bit 9-8
bit 7
bit 6
bit 5
bit 4-3
bit 2-0
FCKSM<1:0>: Clock Switching and Monitor Selection Configuration bits
1x = Clock switching is disabled, Fail-Safe Clock Monitor is disabled
01 = Clock switching is enabled, Fail-Safe Clock Monitor is disabled
00 = Clock switching is enabled, Fail-Safe Clock Monitor is enabled
FPBDIV<1:0>: Peripheral Bus Clock Divisor Default Value bits
11 = PBCLK is SYSCLK divided by 8
10 = PBCLK is SYSCLK divided by 4
01 = PBCLK is SYSCLK divided by 2
00 = PBCLK is SYSCLK divided by 1
Reserved: Write ‘ 1 ’
OSCIOFNC: CLKO Enable Configuration bit
1 = CLKO output signal active on the OSCO pin; primary oscillator must be disabled or configured for
0 = CLKO output disabled
POSCMD<1:0>: Primary Oscillator Configuration bits
11 = Primary oscillator disabled
10 = HS oscillator mode selected
01 = XT oscillator mode selected
00 = External clock mode selected
IESO: Internal External Switchover bit
1 = Internal External Switchover mode enabled (Two-Speed Start-up enabled)
0 = Internal External Switchover mode disabled (Two-Speed Start-up disabled)
Reserved: Write ‘ 1 ’
FSOSCEN: Secondary Oscillator Enable bit
1 = Enable Secondary Oscillator
0 = Disable Secondary Oscillator
Reserved: Write ‘ 1 ’
FNOSC<2:0>: Oscillator Selection bits
000 = Fast RC Oscillator (FRC)
001 = Fast RC Oscillator with divide-by-N with PLL module (FRCDIV+PLL)
010 = Primary Oscillator (XT, HS, EC)
011 = Primary Oscillator with PLL module (XT+PLL, HS+PLL, EC+PLL)
100 = Secondary Oscillator (SOSC)
101 = Low-Power RC Oscillator (LPRC)
110 = FRCDIV16 Fast RC Oscillator with fixed divide-by-16 postscaler
111 = Fast RC Oscillator with divide-by-N (FRCDIV)
Note 1:
the External Clock mode (EC) for the CLKO to be active (POSCMD<1:0> = 11 OR 00 )
DEVCFG1: DEVICE CONFIGURATION WORD 1 (CONTINUED)
Do not disable POSC (POSCMD = 00 ) when using this oscillator source.
Preliminary
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© 2009 Microchip Technology Inc.