M38227ECFP Renesas Electronics America, M38227ECFP Datasheet - Page 47
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M38227ECFP
Manufacturer Part Number
M38227ECFP
Description
IC 740 MCU EPROM 48K 80QFP
Manufacturer
Renesas Electronics America
Series
740/38000r
Datasheet
1.M38227ECFP.pdf
(82 pages)
Specifications of M38227ECFP
Core Processor
740
Core Size
8-Bit
Speed
8MHz
Connectivity
SIO, UART/USART
Peripherals
LCD
Number Of I /o
49
Program Memory Size
48KB (48K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M38227ECFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
M38227ECFP
Manufacturer:
MIT
Quantity:
20 000
Company:
Part Number:
M38227ECFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
M38227ECFP#U0
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Fig.44 Clock generating circuit block diagram
44
I n t e r r u p t d i s a b l e f l a g I
Note : When using the low-speed mode, set the port X
I n t e r r u p t r e q u e s t
X
C I N
X
I N
Q
S
R
Reset
“ 1 ”
X
C O U T
Middle-/High-speed mode
X
Main clock stop bit
P o r t X
O U T
STP instruction
“0”
C
L o w - s p e e d m o d e
s w i t c h b i t
I n t e r n a l s y s t e m c l o c k s e l e c t i o n b i t
“ 1 ”
“0”
1/2
( N o t e )
W I T
i n s t r u c t i o n
High-speed mode
or Low-speed mode
C
switch bit to “1” .
1/4
“0”
S
R
“ 1 ”
1 / 2
Main clock division ratio selection bit
M i d d l e - s p e e d m o d e
Q
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
T i m e r 1 c o u n t
s o u r c e s e l e c t i o n
b i t
“ 1 ”
“ 0 ”
Q
MITSUBISHI MICROCOMPUTERS
S
R
T i m e r 1
STP instruction
Timing
(Internal system clock)
T i m e r 2 c o u n t
s o u r c e s e l e c t i o n
b i t
“ 1 ”
“ 0 ”
3822 Group
T i m e r 2