LPC1317FHN33,551 NXP Semiconductors, LPC1317FHN33,551 Datasheet - Page 32

• Manufacturer Part Number: LPC1317FHN33,551
• Description: ARM Microcontrollers - MCU 32bit ARM Cortex-M3 64KB Flash 10KB SRAM
• Manufacturer: NXP Semiconductors

Specifications of LPC1317FHN33,551

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: LPC1317
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 72 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 8 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: HVQFN-33
• Mounting Style: SMD/SMT
• Factory Pack Quantity: 260

NXP Semiconductors
LPC1315_16_17_45_46_47
Product data sheet
Fig 9.
watchdog oscillator
system oscillator
system oscillator
IRC oscillator
IRC oscillator
The USB clock divider is available on parts LPC1345/46/47 only.
LPC1315/16/17/45/46/47 clocking generation block diagram
(system PLL clock select)
7.18.1.1 Internal RC oscillator
(USB clock select)
USBPLLCLKSEL
SYSPLLCLKSEL
The IRC may be used as the clock source for the WDT, and/or as the clock that drives the
system PLL and subsequently the CPU. The nominal IRC frequency is 12 MHz. The IRC
is trimmed to 1 % accuracy over the entire voltage and temperature range.
SYSTEM PLL
(main clock select)
USB PLL
MAINCLKSEL
All information provided in this document is subject to legal disclaimers.
main clock
Rev. 3 — 20 September 2012
watchdog oscillator
system oscillator
SYSTEM CLOCK
IRC oscillator
DIVIDER
(CLKOUT clock select)
LPC1315/16/17/45/46/47
(USB clock select)
USBCLKSEL
CLKOUTSEL
system clock
watchdog oscillator
32-bit ARM Cortex-M3 microcontroller
IRC oscillator
USART PERIPHERAL
SYSAHBCLKCTRLn
CLKOUT PIN CLOCK
(WDT clock select)
(AHB clock enable)
USB 48 MHz CLOCK
SSP1 PERIPHERAL
SSP0 PERIPHERAL
CLOCK DIVIDER
CLOCK DIVIDER
CLOCK DIVIDER
WDCLKSEL
n
DIVIDER
DIVIDER
© NXP B.V. 2012. All rights reserved.
CPU, system control,
PMU
memories,
peripheral clocks
SSP1
SSP0
UART
USB
CLKOUT pin
WDT
002aag563
32 of 77