Pic 18 f4550 Datasheet

Worth reading about Instruction Set Reference

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Most Current Data Sheet

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28. Higher capactance creases the sabity

ang cota ceramic resonators st any

necessary to use th

moss aueh 8 ey al nt

seach resonstolyatal has ts own

horace, the user should const
perro lues of

tle wth low civ evel sp
expected fre ph =

29. ae

34. select the secondary deck source. Te]
Ten! ost ie enble y sing ne
THOSCEN bin the Ter Contras
‘ot enabled then any attempt to select a
‘acondary clock sure wb nerd

E la recommended that the Tmert

‘ilar be operating and stable prot
the Ter ceca ar.

38. Caution shouldbe used when manga
Ange IRCF ba Von isles an Ve
posa to select a higher dock speed
San ls supported by the low V
Mo VEIFOSC epeifatins are viatd

[Executing a SLEEP instruction dove not
nacassanly place the deco into Sloop
ode ans asthe get pace e |
ana le Ide modes, depending on the
texting ofthe IDLEN bt

39. The Timer? olson shou irady be
running porto eterng SEC RUN mada,

lina HOSCEN Sa nat st when to
SEC RUN modo wil na occur th
tering date decks be dauyo
alone ma once operon i |
‘rom sabe and npr operation

40. Caution shold be ured when moin a
ge IRCF Bk V0 isles han SU Ri

Possible to select a higher dock spel

an is supported by the ion V

41. A =

43. The Tener oscilar ahold akon dy be]

ifthe TIOSCEN Bit fe nt at when the
Inetuctonf execited he

ineucton wi be ignored and entry 0

Timer! ont is enabled but nt yet
runnin, papel clocks wi be delayed
‘Stusbens intl oscilater operation is far
from stable and unpreseable operation

47. a

° a | il

2“ me by a

48. By soho mmedatey ater POR)

50. Note! Evenwhen BOR is under eobware conta
'BORVO Confguration bas. |
cannot be changed in sotware,

62. Top-o Stack Registers | ‘stack Pointer
Tou ro ron =f ¢ 4 STKPTREA D

M) CIM CI | + |:

— rep ER
Ej

63. Retunng a vale of zerotothe PC onan
inert has the af o vectorig he
program tothe Reset vector, whare th
nek condone can be veiled an
‘atthe same as a Reset, a the contents
ofthe SFR are not fected

65. 4

NETO
‘etch SuB_1l Exacto SUE

Instuetenstushed fomthe ppal while the new Intctin i bang fetched aná en exceed

66. Note: See Section 55 "Program Memory and]
Information on oa induct inthe

67. The operation of some aspects of das

memory aro changed when the PICT
Sections "Data Memory and the
Extended Instruction Set" fr mere
infematen.

68. cert)

tt)

74. y

75. 1 Bar
respectives, in

76. Note:

The execton of some narctons ne]

are PCIE srt sa are change
enabled. See Section 5.6 "Data
Memory and the Extended Instruction

84. "Not: During normal operation the WRERR is]
Sper was pray trino y
temps prope.

Note:The EEF nen tag (PIZCA

89. The del vale ofthe haldng regstersen
vce Resa and ater wit operations |

oes et mod ta te Ths means |
Indian bytes of rogram memory maybe
[Most prochaine change doe na
‘ert change any bt fem a0 100

v il es Lis na

y 4

II

Note: Bere seting the WR bi the Tale
Pointer sarees needs to bo vain th |
Intec adress range ofthe 32 bjs in
the halsng east

91. BCUF | Hor | TMRIF | copar

93. Note

Duo nal gern, ie WRERR |
atome propor

(PR) set
the ure 1 completo. R mus be

96. "data EEPROM is on und to ste]
constante andor data that change ae
an ar even ol nt required Sa
spaciition DIZA or D128

97. TROIE

INTO |

RIE | TUROF

BCLP | HLVDIP | TROP

CUE | HIVDIE

TO

C2

TIRE

101. any of inemupt canal reg er vale
any inter is enabled. Dong so ma

103. Tote

Fe tag rare stan an rep]
ls earespondag enable bi or the gabal

Interop enable Bt User sors should
naar the appropriate nterup tag te
Scar pt to anti a ent

106. are fog I ar at an Ptas?
À comesponding enable bi or the Global

Intrpt Enable bi GIE (NTCON<7>)

User sofware should ensure th prop
tte teu N bte ar clesed por’
fading an interupt and ater sonic
Sat mere

118. On a Poweron Reset, RESREO aro
ad as 0; RETRBS are confgued as
By proganming the Confguraton it
PRADEN (CONFIG <>). RESREO wil
tea ba coniguedas dial np

120. IGIEGIEH | PEIEGIEL] TURDE

121. ROS and ROS, are configured as digital
‘Spt inputs, the USB module must be]
‘Seabled (UCON<3>= 0) andthe on eh
USE trnsceier must be daba

123. sume | susPNo |]

124. Note: Ven te Enhanced PAM modela used]
with tor dual x quad output. the MSSP|
Genie,

126. RENT!

Tsprom

127. Icon Reet, RE3 enab

put on if Maser
Te cisble

131. Wing to THIRD von the prscaer |
tesgnedto Tamer wi lar he pescao

Sa q | INTOF | RIF
oo E
Ea

135. Mcoohp suggests these values as]
ring pont in vaatng the oxctat|

Higher capactanc increases the by

Sartup te.

‘Since each resonates has sown

the renato! manufactur ft
als ar fr dein gun)

136. os

$

138. TMROE | INTOE | RBIE | TMROIF | INTOF | RO

IA A EA

TURP | TWRIIP

140. TMROE | NTOE

Rele | THROF | INTO

REF
TRIE

142. |

143. TROIE

03
usar | eme

RBIE
BCU

TRO | INTO
[HLVDIE | mear
HDI | TRE
IP | TRIP

TIRUN_ | TICKPSA | TICKPS

© oo

145. Note: Troughut ths. secon and Section 160}
“Enhanced CapturiComparePWI(ECCP)
Module, roles tothe regar and e
‘ames for CCP modes are red gene:
specike module number. Thus, “CCI

Tight relato he conte reger ar CPI
CE or Ecce, "OCP

Throughout these seciens o reer
mode conto regi regardes of wheter

147. y

besa

>> ad

148. Note: Clating the

the RED or RCI

149. [oy

TARDE | INTO | Rae
== [ar | ©
OF | rar | mr | ser

ser

[raro | INTO
[| Por
THRE

Ex
[set ave | noie | nue

[| speire| ape [rcp | mp | ss TURP
‘OScrF|cMiF | USB | eE | BCU | MLVOI | mara
OscriE| mE | use | EE | Bcue | HIVDIE | THRSIE
[oscar | cup user | eep | scur | mw ura

NET NES ENST

150. the RES or RCI out

ote: The Tmer2 postscaer (se Section 120)
"Timer Module”) ae net used in the
termination ofthe PAM regions. Th
Update at at a diferent agency than
1 PAM out

152. TURDIE
EEES
PEN] ADE | RCI
pipe | ADI | Rcır

NUE
Ai

REE
To
PE

TMROF |_INTOI.
FD [ro
COPIE TRE

Rae
E

IMT) po

154. Ven sting up angle cuput PM
patios, ser aro fee to usa ete ol

“setup for PWM Operation” cr
Section 18.4.9 “Setup for PWM Opera
work for ether singe or mub-culput PVM

155. The Tene postzcalr (ao Section 13.0

SES
LI

156. Note: the PAM Gay oye val longs tha

160. [Eres

#
A

161. SNS)

RON SON

168. Wien dsabing the US module, make
ue the SUSPND Bt (UCON=1>) clot
por o dearng the USBEN BE. Cien |

the USBEN bt when the modul en he
‘sponded ate may prevent the mod

169. The USB speed transcaier and pulp |
hou on be cenfgired ding the mod
seu pase, Ris not recommended
‘tc these setings wie the mode |

Wile in Suspend med, a typical bus

minima current ra when the device

172. Note

Note

£

We an extemal pulp in aden tthe

Do nt enable the internal regla an

Veo mt be oil or gost an

The datain the USB at regie

Man ondpontrequestisrecenedwhle he
USIAT FIFO le M the SE val
utomaticatyjesue a NAK back tothe

180. it! SR
$
IT |

182. * |

aa
aa aa

184. (Only one ACTVIF inter is generated

condon. 1 user Tmare cars the
[ACTVIF bt, the bt wi not immedaty
continuous bus tafe. Bus trafic mus

uso ong encugh o generate anoher|
IDLEIF condton befere another ACTU |
inerupt con be generate.

188. 1

4
4
4

ower tom the Use.

189. ‚Note 1: I an endpot ls configured to use the
SPR the SPP module must ale be

(Others, unexpected operation may]

In ain, Kan endpoint i configured to
Use the SPP the caa rnstr pe of hat
point must be eochreneus en