UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 659

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

27.4 AC Characteristics
(1) Basic operation
Notes 1. 0.38
Instruction cycle (minimum
instruction execution time)
Peripheral hardware clock
frequency
External main system clock
frequency
External clock input high level
width, low level width
External subsystem clock
frequency
External sub clock input high
level width, low level width
TI000, TI001, TI002, TI003,
TI010, TI011, TI012, TI013 input
high-level width, low-level width
TI50, TI51 input frequency
TI50, TI51 input high-level width,
low-level width
Interrupt input high-level width,
low-level width
RESET low-level width
(T
A
2. This spec is a definition of the main system clock. Therefore, peripheral hardware must use the clock of
3. IT sampling with selection count clock (f
= −40 to +85°C, 1.8 V ≤ V
Parameter
f
prescaler mode registers 00 (PRM0n). Note that when selecting the TI0n0 valid edge as the count clock,
f
RH
sam
/2 or less. (V
= f
μ
s when operating with the 8 MHz internal oscillator.
PRS
. (n = 0, 1, 2, 3)
DD
CHAPTER 27 ELECTRICAL SPECIFICATIONS ((A) products)
= 1.8 V or less)
T
f
f
f
f
f
f
f
t
t
f
t
t
t
t
t
Symbol
PRS
EXT
EXTH
EXTL
EXTS
EXTSH
EXTSL
TIH0
TIL0
TI5
TIH5
TIL5
INIH
INIL
RSL
CY
,
DD
,
,
,
,
= EV
Main system clock (f
operation
Subsystem clock (f
f
f
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
PRS
PRS
DD
= f
= f
≤ 5.5 V, V
User’s Manual U17554EJ4V0UD
XH
RH
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
PRS
SS
, f
Conditions
SUB
= EV
XP
PRS
) operation
)
/4, f
SS
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
4.0 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
2.7 V ≤ V
1.8 V ≤ V
Note2
= AV
PRS
/256) using bits 0 and 1 (PRM0n0, PRM0n1) of
SS
DD
DD
DD
DD
DD
DD
DD
DD
= 0 V)
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 4.0 V
< 2.7 V
≤ 5.5 V
< 2.7 V
2/f
2/f
2/f
0.4
0.1
0.2
0.5
MIN.
114
100
0.1
0.2
7.6
7.6
4.0
4.0
4.0
24
48
96
32
12
50
50
10
sam
sam
sam
1
Note1
Note3
Note3
Note3
+
+
+
32.768
TYP.
122
MAX.
10.4
125
8.4
20
10
20
10
35
10
10
8
8
8
5
5
5
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
Unit
kHz
μ
μ
μ
μ
ns
μ
μ
μ
μ
ns
ns
ns
μ
μ
s
s
s
s
s
s
s
s
s
s
659