Table 13.5 Flags And Transfer States (Slave Mode) - Renesas H8S/2111B Hardware Manual

Table 13.5 Flags and Transfer States (Slave Mode)

MST TRS
ESTP
BBSY
0 0 0 0
0 0 1↑ 0
0 1↑/0 1 0
1
*
0 0 1 0
0 1↑/0 1 0
1
*
0 1 1 0
0 1 1 0
0 1 1 0
0 1 1 0
0 1 1 0
0 1 1 0
0 0 1 0
0 0 1 0
AL
IRTR
STOP AASX
0 0 0 0
0 0 0↓ 0
0 0 0 —
0 0 0 —
0 1↑ 1↑ —
0 — — —
0 1↑/0 — —
1
*
0 — — 0↓
0 — — —
0 — — 0↓
0 1↑/0 — 0
2
*
0 1↑/0 — —
2
*
0 — — 0↓
AAS ADZ
ACKB ICDRF
0 0 0 —
0 0 0 —
1↑ 0 0 1↑
1↑ 1↑ 0 1↑
0 0 0 1↑
— 0 1↑ —
— 0 0 —
0↓ 0 0 —
— 1 0
0↓ 0 0
0 0 0
— — — 1↑
0↓ 0↓ — 0↓
Rev. 1.00, 05/04, page 295 of 544
State
ICDRE
0 Idle state (flag
clearing required)
1↑ Start condition
detected
1 SAR match in first
frame
(SARX≠SAR)
1 General call
address match in
first frame
(SARX≠H'00)
1 SARS match in first
frame
(SAR≠SARX)
— Transmission end
(ACKE=1 and
ACKB=1)
1↑ Transmission end
with ICDRE=0
0↓ ICDR write with the
above state
1 Transmission end
with ICDRE=1
0↓ ICDR write with the
above state
1↑ Automatic data
transfer from
ICDRT to ICDRS
with the above
state
— Reception end with
ICDRF=0
— ICDR read with the
above state