M38039FFHHP Renesas Electronics America, M38039FFHHP Datasheet - Page 15

• Manufacturer Part Number: M38039FFHHP
• Description: MCU 3/5V 56K+4K 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M38039FFHHP

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 16.8MHz
• Connectivity: SIO, UART/USART
• Peripherals: PWM, WDT
• Number Of I /o: 56
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 64-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

3803 Group (Spec.H)
Rev.3.11
REJ03B0017-0311
[CPU Mode Register (CPUM)] 003B
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
Fig 9.
Structure of CPU mode register
Apr 5, 2006
b7
Page 13 of 113
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
1
1
0 : 0 page
1 : 1 page
0 : I/O port function (stop oscillating)
1 : X
0 : Oscillating
1 : Stopped
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
)