LPC1837FET256,551 NXP Semiconductors, LPC1837FET256,551 Datasheet - Page 987

• Manufacturer Part Number: LPC1837FET256,551
• Description: Microcontrollers (MCU) 32BIT ARM CORTEX-M3 MCU 136KB SRAM
• Manufacturer: NXP Semiconductors
• Series: LPC18xxr

Specifications of LPC1837FET256,551

• Core: ARM Cortex M3
• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 150MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, Microwire, SD/MMC, SPI, SSI, SSP, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 80
• Program Memory Size: 1MB (1M x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 136K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-LBGA
• Lead Free Status / Rohs Status: Details
• Other names: 935293795551

NXP Semiconductors
<Document ID>
User manual
42.4.6.3.3 PLL0 M-divider register
42.4.6.3.4 PLL0 NP-divider register
Table 934. PLL0_CTRL register (PLL0_CTRL, address 0x4005 0020) bit description
Table 935. PLL0_MDIV register (PLL0_MDIV, address 0x4005 0024) bit description
Table 936. PLL0_NPDIV register (PLL0_NP_DIV, address 0x4005 0028) bit description
Bit
27:24
31:28
Bit
16:0
21:17
27:22
31:28
Bit
6:0
11:7
21:12
31:22
Symbol
CLK_SEL
-
Symbol
MDEC
SELP
SELI
SELR
Symbol
PDEC
-
NDEC
-
…continued
All information provided in this document is subject to legal disclaimers.
Description
Decoded M-divider coefficient value. Select values for
the M-divider between 1 and 131071.
Bandwidth select P value
Bandwidth select I value
Bandwidth select R value
Description
Decoded P-divider coefficient value
Reserved
Decoded N-divider coefficient value
Reserved
Rev. 00.13 — 20 July 2011
Value
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
Description
Clock-source selection
32 kHz oscillator
IRC (default)
ENET_RX_CLK
ENET_TX_CLK
GP_CLKIN
Reserved
Crystal oscillator
Reserved
PLL1
Reserved
Reserved
IDIVA
IDIVB
IDIVC
IDIVD
IDIVE
Reserved
Chapter 42: Appendix
000 0010
Reset
value
-
1011 0001 R/W
-
UM10430
Reset
value
0x5B6A
11100
010111
0000
© NXP B.V. 2011. All rights reserved.
0x01
Reset
value
-
987 of 1164
Access
R/W
-
Access
R/W
-
-
Access
R/W
R/W
R/W
R/W