Hitachi H8/3044, Руководство по оборудованию

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Table 21-15 Timing of On-Chip Supporting Modules (cont)
Condition A: V
CC
= 2.7 V to 5.5 V, AV
CC
= 2.7 V to 5.5 V, V
REF
= 2.7 V to AV
CC
,
V
SS
= AV
SS
= 0 V, ø = 1 MHz to 8 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition C: V
CC
= 5.0 V ± 10%, AV
CC
= 5.0 V ± 10%, V
REF
= 4.5 V to AV
CC
,
V
SS
= AV
SS
= 0 V, ø = 1 MHz to 16 MHz, T
a
= –20°C to +75°C (regular
specifications), T
a
= –40°C to +85°C (wide-range specifications)
Condition A Condition C
8 MHz 16 MHz
Test
Item Symbol Min Max Min Max Unit Conditions
SCI Transmit data t
TXD
— 100 — 100 ns Figure 21-27
delay time
Receive data t
RXS
100 — 100 —
setup time
(synchronous)
Receive data Clock input t
RXH
100 — 100 —
hold time
Clock output t
RXH
0 — 0 —
(synchronous)
Ports Output data t
PWD
— 100 — 100 ns Figure 21-23
and delay time
TPC
Input data t
PRS
50 — 50 —
setup time
Input data t
PRH
50 — 50 —
hold time
Figure 21-6 Output Load Circuit
688
C R
H
5 V
R
L
H8/3048 Series
output pin
C = 90 pF: ports 4, 5, 6, 8, A (19 to 0), D (15 to 8), ø
C = 30 pF: ports 9, A, B, RESO
Input/output timing measurement levels
• Low: 0.8 V
• High: 2.0 V
R = 2.4 k
R = 12 k
L
H
Ω
Ω
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