VR4102 datasheet(41/701 Pages) NEC

41 / 701 page

CHAPTER 1 INTRODUCTION

Table 1-14. LED Registers

Function

Address

LEDHTSREG

LED H Time Set Register

0x0B00 0240

LEDLTSREG

LED L Time Set Register

0x0B00 0242

LEDCNTREG

LED Control Register

0x0B00 0248

LEDASTCREG

LED Auto Stop Time Count Register

0x0B00 024A

LEDINTREG

LED Interrupt Register

0x0B00 024C

Table 1-15. SIU Registers

Function

LCR[7]

Address

SIURB

Receiver Buffer Register (Read)

SIUTH

Transmitter Holding Register (Write)

SIUDLL

Divisor Latch (Least Significant Byte) Register

0x0C00 0000

SIUIE

Interrupt Enable Register

SIUDLM

Divisor Latch (Most Significant Byte) Register

0x0C00 0001

SIUIID

Interrupt Identification Register (Read)

SIUFC

FIFO Control Register (Write)

0x0C00 0002

SIULC

Line Control Register

0x0C00 0003

SIUMC

MODEM Control Register

0x0C00 0004

SIULS

Line Status Register

0x0C00 0005

SIUMS

MODEM Status Register

0x0C00 0006

SIUSC

Scratch Register

0x0C00 0007

SIUIRSEL

SIU/FIR IrDA Selector

0x0C00 0008

Remark

LCR[7] is bit 7 of the SIULC register.

Table 1-16. HSP Registers

Function

Address

HSPINIT

HSP Initialize Register

0x0C00 0020

HSPDATA[7:0]

HSP Data Register [7:0]

0x0C00 0022

HSPDATA[15:8]

HSP Data Register [15:8]

0x0C00 0023

HSPINDEX

HSP Index Register

0x0C00 0024

HSPID[7:0]

HSP ID Register

0x0C00 0028

HSPPCS[7:0]

HSP I/O Address Program Confirmation Register

0x0C00 0029

HSPPCTEL[7:0]

HSP Signature Checking Port

0x0C00 0029

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