M38503G4AFP#U1 Renesas Electronics America, M38503G4AFP#U1 Datasheet - Page 12
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M38503G4AFP#U1
Manufacturer Part Number
M38503G4AFP#U1
Description
IC 740/3850 MCU QZ-ROM 42SSOP
Manufacturer
Renesas Electronics America
Series
740/38000r
Datasheet
1.M38507F8AFPU1.pdf
(61 pages)
Specifications of M38503G4AFP#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
16KB (16K x 8)
Program Memory Type
QzROM
Ram Size
512 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
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
)