CHAPTER 31 ELECTRICAL SPECIFICATIONS
Page 888 of 920
Note 1.
Use it with V
DD
≥
V
b
.
Note 2.
When DAPmn = 0 and CKPmn = 0, or DAPmn = 1 and CKPmn = 1. The SIp setup time becomes “to SCKp
↓
” when
DAPmn = 0 and CKPmn = 1, or DAPmn = 1 and CKPmn = 0.
Note 3.
When DAPmn = 0 and CKPmn = 0, or DAPmn = 1 and CKPmn = 1. The SIp hold time becomes “from SCKp
↓
” when
DAPmn = 0 and CKPmn = 1, or DAPmn = 1 and CKPmn = 0.
Note 4.
When DAPmn = 0 and CKPmn = 0, or DAPmn = 1 and CKPmn = 1. The delay time to SOp output becomes “from
SCKp
↑
” when DAPmn = 0 and CKPmn = 1, or DAPmn = 1 and CKPmn = 0.
Caution
Select the TTL input buffer for the SIp pin and SCKp pin, and the N-ch open drain output (V
DD
tolerance) mode
for the SOp pin by using port input mode register g (PIMg) and port output mode register g (POMg). For V
IH
and
V
IL
, see the DC characteristics with TTL input buffer selected.
(Remarks are listed on the next page.)
(7) Communication at different potential (1.8 V, 2.5 V, 3 V) (CSI mode) (slave mode, SCKp... external clock
input)
(T
A
=
‒
40 to +85
°
C, 1.8 V
≤
V
DD
≤
3.6 V, V
SS
= 0 V)
Parameter
Symbol
Conditions
HS (high-speed main)
mode
LS (low-speed main)
mode
Unit
MIN.
MAX.
MIN.
MAX.
SCKp cycle time t
KCY2
2.7 V
≤
V
DD
<
3.6 V,
2.3 V
≤
Vb
≤
2.7 V
24 MHz
<
f
MCK
20/f
MCK
—
ns
20 MHz
<
f
MCK
≤
24
MHz
16/f
MCK
—
ns
16 MHz
<
f
MCK
≤
20
MHz
14/f
MCK
—
ns
8 MHz
<
f
MCK
≤
16 MHz
12/f
MCK
—
ns
4 MHz
<
f
MCK
≤
8 MHz
8/f
MCK
16/f
MCK
ns
f
MCK
≤
4 MHz
6/f
MCK
10/f
MCK
ns
1.8 V
≤
V
DD
<
3.3 V,
1.6 V
≤
Vb
≤
24 MHz
<
f
MCK
48/f
MCK
—
ns
20 MHz
<
f
MCK
≤
24
MHz
36/f
MCK
—
ns
16 MHz
<
f
MCK
≤
20
MHz
32/f
MCK
—
ns
8 MHz
<
f
MCK
≤
16 MHz
26/f
MCK
—
ns
4 MHz
<
f
MCK
≤
8 MHz
16/f
MCK
16/f
MCK
ns
f
MCK
≤
4 MHz
10/f
MCK
10/f
MCK
ns
SCKp high-/
low-level width
t
KH2
,
t
KL2
2.7 V
≤
V
DD
<
3.6 V, 2.3 V
≤
Vb
≤
2.7 V
t
KCY2
/2
‒
18
t
KCY2
/2
‒
50
ns
1.8 V
≤
V
DD
<
3.3 V, 1.6 V
≤
Vb
≤
t
KCY2
/2
‒
50
t
KCY2
/2
‒
50
ns
SIp setup time
(to SCKp
↑
t
SIK2
2.7 V
≤
V
DD
≤
3.6 V, 2.3 V
≤
Vb
≤
2.7 V
1/f
MCK
+ 20
1/f
MCK
+ 30
ns
1.8 V
≤
V
DD
≤
3.3 V, 1.6 V
≤
Vb
≤
1/f
MCK
+ 30
1/f
MCK
+ 30
ns
SIp hold time
(from SCKp
↑
)
t
KSI2
1/f
MCK
+ 31
1/f
MCK
+ 31
ns
Delay time from
SCKp
↓
to SOp
output
t
KSO2
2.7 V
≤
V
DD
<
3.6 V, 2.3 V
≤
Vb
≤
2.7 V,
Cb = 30 pF, Rb = 2.7 k
Ω
2/f
MCK
+ 214
2/f
MCK
+ 573
ns
1.8 V
≤
V
DD
<
3.3 V, 1.8 V
≤
Vb
≤
,
Cb = 30 pF, Rv = 5.5 k
Ω
2/f
MCK
+ 573
2/f
MCK
+ 573
ns
Содержание RL78/G1H
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