M38507F8AFP#U1 Renesas Electronics America, M38507F8AFP#U1 Datasheet - Page 12
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M38507F8AFP#U1
Manufacturer Part Number
M38507F8AFP#U1
Description
IC 740/3850 MCU FLASH 42SSOP
Manufacturer
Renesas Electronics America
Series
740/38000r
Datasheet
1.M38507F8AFPU1.pdf
(61 pages)
Specifications of M38507F8AFP#U1
Core Processor
740
Core Size
8-Bit
Speed
12.5MHz
Connectivity
SIO, UART/USART
Peripherals
PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
42-SSOP
Package
42SSOP
Family Name
740
Maximum Speed
12.5 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
34
Interface Type
UART
On-chip Adc
9-chx10-bit
Number Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
3850 Group (Spec.A QzROM version)
Rev.2.13
REJ03B0125-0213
[CPU Mode Register (CPUM)] 003B
Fig 7.
The CPU mode register contains the stack page selection bit,
the internal system clock control bits, etc.
The CPU mode register is allocated at address 003B
Structure of CPU mode register
Apr 17, 2009
b7
Page 10 of 56
16
1
16
.
b0
CPU mode register
(CPUM: address 003B
Processor mode bits
Stack page selection bit
Fix this bit to “1”.
Port X
Main clock (X
Main clock division ratio selection bits
b1 b0
b7 b6
0
0
1
1
0 : 0 page
1 : 1 page
0 : I/O port function (stop oscillating)
1 : X
0 : Oscillating
0 : Stopped
0
0
1
1
0 : Single-chip mode
1 :
0 :
1 :
0 : φ = f(X
1 : φ = f(X
0 : φ = f(X
1 : Not available
C
switch bit
CIN
-X
IN
COUT
Not available
-X
IN
IN
CIN
OUT
)/2 (high-speed mode)
)/8 (middle-speed mode)
oscillating function
)/2 (low-speed mode)
) stop bit
16
)