Renesas H8S/2111B Manual de usuario descargar pdf (Pagina 328)

Rev. 1.00, 05/04, page 294 of 544

Table 13.4 Flags and Transfer States (Master Mode)

MST TRS BBSY ESTP STOP IRTR AASX AL AAS ADZ ACKB ICDRF ICDRE State

1 1 0 0 0 0 0↓ 0 0↓ 0↓ 0 — 0 Idle state (flag

clearing required)

1 1 1↑ 0 0 1↑ 0 0 0 0 0 — 1↑ Start condition

detected

1 — 1 0 0 — 0 0 0 0 — — — Wait state

1 1 1 0 0 — 0 0 0 0 1↑ — — Transmission end

(ACKE=1 and

ACKB=1)

1 1 1 0 0 1↑ 0 0 0 0 0 — 1↑ Transmission end

with ICDRE=0

1 1 1 0 0 — 0 0 0 0 0 — 0↓ ICDR write with the

above state

1 1 1 0 0 — 0 0 0 0 0 — 1 Transmission end

with ICDRE=1

1 1 1 0 0 — 0 0 0 0 0 — 0↓ ICDR write with the

above state or after

start condition

detected

1 1 1 0 0 1↑ 0 0 0 0 0 — 1↑ Automatic data

transfer from

ICDRT to ICDRS

with the above

state

1 0 1 0 0 1↑ 0 0 0 0 — 1↑ — Reception end with

ICDRF=0

1 0 1 0 0 — 0 0 0 0 — 0↓ — ICDR read with the

above state

1 0 1 0 0 — 0 0 0 0 — 1 — Reception end with

ICDRF=1

1 0 1 0 0 — 0 0 0 0 — 0↓ — ICDR read with the

above state

1 0 1 0 0 1↑ 0 0 0 0 — 1↑ — Automatic data

transfer from

ICDRS to ICDRR

with the above

state

0↓ 0↓ 1 0 0 — 0 1↑ 0 0 — — — Arbitration lost

1 — 0↓ 0 0 — 0 0 0 0 — — 0↓ Stop condition

detected

[Legend]

0: 0-state retained

1: 1-state retained

—: Previous state retained

0

↓: Cleared to 0

1

↑: Set to 1

1 2 ... 323 324 325 326 327 328 329 330 331 332 333 ... 581 582

Comentarios a estos manuales

Sin comentarios