PIC16C925 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16C925

64/68-Pin CMOS Microcontrollers with LCD Driver

Microchip Technology 

PIC16C925/926

TABLE 2-1: SPECIAL FUNCTION REGISTER SUMMARY (CONTINUED)

Address Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

Power-on

Reset

Details on

page

Bank 1

80h

INDF

81h

OPTION

82h

PCL

83h

STATUS

84h

FSR

85h

TRISA

86h

TRISB

87h

TRISC

88h

TRISD

89h

TRISE

8Ah

PCLATH

8Bh

INTCON

8Ch

PIE1

8Dh

—

Addressing this location uses contents of FSR to address data memory (not a physical register)

RBPU INTEDG T0CS

T0SE

PSA

PS2

PS1

PS0

Program Counter (PC) Least Significant Byte

IRP

RP1

RP0

TO

PD

Z

DC

C

Indirect Data Memory Address Pointer

—

—

PORTA Data Direction Register

PORTB Data Direction Register

—

—

PORTC Data Direction Register

PORTD Data Direction Register

PORTE Data Direction Register

—

—

—

Write Buffer for the upper 5 bits of the PC

GIE

PEIE

TMR0IE

INTE

RBIE

TMR0IF

INTF

RBIF

LCDIE

ADIE

—

—

SSPIE CCP1IE TMR2IE TMR1IE

Unimplemented

8Eh

PCON

—

—

—

—

—

8Fh

—

Unimplemented

90h

—

Unimplemented

91h

—

Unimplemented

92h

PR2

Timer2 Period Register

93h

SSPADD Synchronous Serial Port (I2C mode) Address Register

—

POR

BOR

94h

SSPSTAT

SMP

CKE

D/A

P

S

R/W

UA

95h

—

Unimplemented

96h

—

Unimplemented

97h

—

Unimplemented

98h

—

Unimplemented

99h

—

Unimplemented

9Ah

—

Unimplemented

9Bh

—

Unimplemented

9Ch

—

Unimplemented

9Dh

—

Unimplemented

9Eh

ADRESL A/D Result Register Low

9Fh

ADCON1

—

—

—

—

—

PCFG2 PCFG1

Legend: x = unknown, u = unchanged, q = value depends on condition, - = unimplemented, read as '0'.

Shaded locations are unimplemented, read as ‘0’.

Note 1: These pixels do not display, but can be used as general purpose RAM.

BF

PCFG0

0000 0000

1111 1111

0000 0000

0001 1xxx

xxxx xxxx

--11 1111

1111 1111

--11 1111

1111 1111

1111 1111

---0 0000

0000 000x

00-- 0000

—

---- --0-

—

—

—

1111 1111

0000 0000

0000 0000

—

—

—

—

—

—

—

—

—

xxxx xxxx

---- -000

26

20

25

19

26

29

31

33

34

36

25

21

24

—

24

—

—

—

51

69, 72

59

—

—

—

—

—

—

—

—

—

79

76

DS39544A-page 16

Preliminary

 2001 Microchip Technology Inc.

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