CY7C68053_09 datasheet(21/40 Pages) CYPRESS

21 / 40 page

CY7C68053

Document # 001-06120 Rev *I

Page 21 of 40

Special Function Registers (SFRs)

IOA[13]

Port A (bit addressable)

xxxxxxxx RW

Stack Pointer

00000111 RW

DPL0

Data Pointer 0 L

00000000 RW

DPH0

Data Pointer 0 H

A15

A14

A13

A12

A11

A10

00000000 RW

DPL1[13]

Data Pointer 1 L

00000000 RW

DPH1[13]

Data Pointer 1 H

A15

A14

A13

A12

A11

A10

00000000 RW

DPS[13]

Data Pointer 0/1 select

SEL

00000000 RW

PCON

Power control

SMOD0

IDLE

00110000 RW

TCON

Timer/Counter control

(bit addressable)

TF1

TR1

TF0

TR0

IE1

IT1

IE0

IT0

00000000 RW

TMOD

Timer/Counter mode

control

GATE

00000000 RW

TL0

Timer 0 reload L

00000000 RW

TL1

Timer 1 reload L

00000000 RW

TH0

Timer 0 reload H

D15

D14

D13

D12

D11

D10

00000000 RW

TH1

Timer 1 reload H

D15

D14

D13

D12

D11

D10

00000000 RW

CKCON[13]

Clock control

T2M

T1M

T0M

MD2

MD1

MD0

00000001 RW

Reserved

IOB[13]

Port B (bit addressable)

xxxxxxxx RW

EXIF[13]

External interrupt flags

IE5

IE4

I²CINT

USBNT

00001000 RW

MPAGE[13]

Upper address byte of MOVX

using @R0/@R1

A15

A14

A13

A12

A11

A10

00000000 RW

Reserved

SCON0

Serial Port 0 Control

(bit addressable)

SM0_0

SM1_0

SM2_0

REN_0

TB8_0

RB8_0

TI_0

RI_0

00000000 RW

SBUF0

Serial Port 0 data buffer

00000000 RW

AUTOPTRH1[13]

Autopointer 1 address H

A15

A14

A13

A12

A11

A10

00000000 RW

AUTOPTRL1[13]

Autopointer 1 address L

00000000 RW

Reserved

AUTOPTRH2[13]

Autopointer 2 address H

A15

A14

A13

A12

A11

A10

00000000 RW

AUTOPTRL2[13]

Autopointer 2 address L

00000000 RW

Reserved

IOC[13]

Port C (bit addressable)

xxxxxxxx RW

INT2CLR[13]

Interrupt 2 Clear

xxxxxxxx W

Reserved

xxxxxxxx W

Reserved

Interrupt Enable

(bit addressable)

ES1

ET2

ES0

ET1

EX1

ET0

EX0

00000000 RW

Reserved

EP2468STAT[13]

Endpoint 2,4,6,8 status flags

EP8F

EP8E

EP6F

EP6E

EP4F

EP4E

EP2F

EP2E

01011010 R

EP24FIFOFLGS

[13]

Endpoint 2,4 Slave FIFO

status flags

EP4PF

EP4EF

EP4FF

EP2PF

EP2EF

EP2FF

00100010 R

EP68FIFOFLGS

[13]

Endpoint 6,8 Slave FIFO

status flags

EP8PF

EP8EF

EP8FF

EP6PF

EP6EF

EP6FF

01100110 R

Reserved

AUTOPTRSETUP[13] Autopointer 1 and 2 Setup

APTR2INC

APTR1INC

APTREN

00000110 RW

IOD[13]

Port D (bit addressable)

xxxxxxxx RW

IOE[13]

Port E

(NOT bit addressable)

xxxxxxxx RW

OEA[13]

Port A Output Enable

00000000 RW

OEB[13]

Port B Output Enable

00000000 RW

OEC[13]

Port C Output Enable

00000000 RW

OED[13]

Port D Output Enable

00000000 RW

OEE[13]

Port E Output Enable

00000000 RW

Reserved

Interrupt Priority (bit address-

able)

PS1

PT2

PS0

PT1

PX1

PT0

PX0

10000000 RW

Reserved

EP01STAT[13]

Endpoint 0 and 1 Status

EP1INBSY EP1OUTBSY

EP0BSY

00000000 R

GPIFTRIG[13, 10]

Endpoint 2,4,6,8 GPIF Slave

FIFO trigger

DONE

EP1

EP0

10000xxx brrrrbbb

Reserved

GPIFSGLDATH[13]

GPIF Data H (16-bit mode

only)

D15

D14

D13

D12

D11

D10

xxxxxxxx RW

GPIFSGLDATLX[13] GPIF Data L w/trigger

xxxxxxxx RW

GPIFSGLDATL-

NOX[13]

GPIF Data L w/no trigger

xxxxxxxx R

Table 8. FX2LP18 Register Summary (continued)

Hex

Size Name

Description

Default

Access

Note

13. SFRs not part of the standard 8051 architecture.

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