UPD30121 datasheet(68/76 Pages) NEC

68 / 76 page

Data Sheet U14691EJ1V0DS00

µµµµPD30121

(20) Debug serial interface parameter

Parameter

Symbol

Condition

MIN.

MAX.

Unit

DDOUT output pulse width

Note

tDDOUT

N – 1

N + 1

µs

DDIN input pulse width

Note

tDDIN

(9/16)

× N

µs

Note N: Transfer rate of baud rate per bit set to the BPR0 bits of the BPRM0REG register.

BPR0 (2:0) Bits

Baud Rate (bps)

N (

µs)

111

115,200

8.68

110

57,600

17.36

101

38,400

26.04

100

19,200

52.03

011

9,600

104.16

010

4,800

208.33

001

2,400

416.66

000

1,200

833.33

DDIN

(input)

DDOUT

(output)

tDDIN

tDDOUT

(21) HSP interface parameter

Parameter

Symbol

Condition

MIN.

MAX.

Unit

SDO output delay time

Note 1

tSDOD

SDI setup time

Note 2

tSDIS

SDI hold time

Note 2

tSDIH

0ns

FS setup time

Note 2

tFSIS

FS hold time

Note 2

tFSIH

0ns

Notes 1. The reference clock of this parameter is the rising edge of HSPSCLK signal.

2. The reference clock of this parameter is the falling edge of HSPSCLK signal.

UPD30121 Datasheet(PDF) 68 Page - NEC

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