VR4102 datasheet(435/701 Pages) NEC

435 / 701 page

435

CHAPTER 22 DSIU (DEBUG SERIAL INTERFACE UNIT)

This chapter describes the DSIU’s operations and register settings.

22.1 GENERAL

The DSIU (debug serial interface unit) supports transfer rates up to 115.2 kbps. In addition to the DDIN and

DDOUT input/output pins, the DSIU supports the DCTS# and DRTS# pins that are used for hardware flow control.

22.2 REGISTER SET

The DSIU registers are listed below.

Table 22-1. DSIU Registers

Address

R/W

Function

0x0B00 01A0

R/W

PORTREG

Port Change Register

0x0B00 01A2

MODEMREG

Modem Control Register

0x0B00 01A4

R/W

ASIM00REG

Asynchronous Mode 0 Register

0x0B00 01A6

R/W

ASIM01REG

Asynchronous Mode 1 Register

0x0B00 01A8

RXB0RREG

Receive Buffer Register (Extended)

0x0B00 01AA

RXB0LREG

Receive Buffer Register

0x0B00 01AC

R/W

TXS0RREG

Transmit Data Register (Extended)

0x0B00 01AE

R/W

TXS0LREG

Transmit Data Register

0x0B00 01B0

ASIS0REG

Status Register

0x0B00 01B2

R/W

INTR0REG

Debug SIU Interrupt Register

0x0B00 01B6

R/W

BPRM0REG

Baud rate Generator Prescaler Mode Register

0x0B00 01B8

R/W

DSIURESETREG

Debug SIU Reset Register

These registers are described in detail below.

VR4102 Datasheet(PDF) 435 Page - NEC

VR4102 Datasheet(HTML) 435 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL