Datasheet

78K0/Kx2-L CHAPTER 28 ELECTRICAL SPECIFICATIONS
R01UH0028EJ0400 Rev.4.00 752
Sep 27, 2010
Caution The pins mounted depend on the product. Refer to Caution 2 at the beginning of this chapter.
AC Characteristics
(1) Basic operation
(T
A = −40 to +85°C, 1.8 V ≤ VDD ≤ 5.5 V, VSS = AVSS = 0 V)
Items Symbol Conditions MIN. TYP. MAX. Unit
2.7 V ≤ V DD ≤ 5.5 V 0.2 32 μ s
In normal
power mode
(RMC = 00H)
1.8 V ≤ V DD < 2.7 V 0.4
Note 1
32 μ s
Main
system
clock (f
XP)
operation
In low power consumption
mode (RMC = 56H)
0.4
Note 1
32 μ s
Subsystem clock (fSUB) operation
Note 1
114 122 125 μ s
In normal
power mode
(RMC = 00H)
2.7 V ≤ V DD ≤ 5.5 V 0.2 32 μ s
Instruction cycle (minimum
instruction execution time)
T
CY
Self
programming
mode
operation
In low power consumption
mode (RMC = 56H)
0.4
Note 1
32 μ s
2.7 V ≤ V DD ≤ 5.5 V 10 MHz fPRS = fXP
1.8 V ≤ V DD < 2.7 V 5 MHz
R4M8MSEL = 0 7.6 8.4 MHz
Peripheral hardware clock
frequency
f
PRS
f
PRS = fIH
R4M8MSEL = 1 3.88 4.12 MHz
2.7 V ≤ VDD ≤ 5.5 V 1.0 10.0 MHz
External main system clock
frequency
f
EXCLK
1.8 V ≤ V
DD < 2.7 V 1.0 5.0 MHz
External main system clock input
high-level width, low-level width
tEXCLKH,
t
EXCLKL
(1/f
EXCLK ×1/2)
−1
ns
External subsystem clock
frequency
fEXCLKS 32 32.768 35 kHz
External subsystem clock input
high-level width, low-level
width
tEXCLKSH,
t
EXCLKSL
(1/f
EXCLKS ×1/2)
−5
ns
4.0 V ≤ VDD ≤ 5.5 V 2/fsam+0.1
Note 2
μ s
2.7 V ≤ VDD < 4.0 V 2/fsam+0.2
Note 2
μ s
TI000, TI010 input high-level
width, low-level width
tTIH0,
t
TIL0
1.8 V ≤ V
DD < 2.7 V 2/fsam+0.5
Note 2
μ s
2.7 V ≤ VDD ≤ 5.5 V 10.0 MHz TI50, TI51 input frequency fTI5
1.8 V ≤ V
DD < 2.7 V 5.0 MHz
2.7 V ≤ VDD ≤ 5.5 V 50 ns
TI50, TI51 input high-level width,
low-level width
t
TIH5
1.8 V ≤ V
DD < 2.7 V 100 ns
Interrupt input high-level width,
low-level width
tINTH,
t
INTL
1
μ s
Key interrupt input low-level width tKR 250 ns
RESET low-level width tRSL 10 μ s
Notes 1. 0.38
μ s when operating with the internal high-speed oscillation clock.
2. Selection of fsam = fPRS, fPRS/4, fPRS/256 is possible using bits 0 and 1 (PRM000, PRM001) of prescaler mode
register 00 (PRM00). Note that when selecting the TI000 valid edge as the count clock, f
sam = fPRS.