M38039G4HSP#U0 Renesas Electronics America, M38039G4HSP#U0 Datasheet - Page 73

• Manufacturer Part Number: M38039G4HSP#U0
• Description: IC 740/3803 MCU QZROM 64DIP
• Manufacturer: Renesas Electronics America
• Series: 740/38000r

Specifications of M38039G4HSP#U0

• Core Processor: 740
• Core Size: 8-Bit
• Speed: 16.8MHz
• Connectivity: SIO, UART/USART
• Peripherals: LED, PWM, WDT
• Number Of I /o: 56
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: QzROM
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 64-SDIP (0.750", 19.05mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

3803 Group (Spec.H QzROM version)
REJ03B0166-0113 Rev.1.13
Page 71 of 100
Fig 67. State transitions of system clock
Notes1: Switch the mode by the allows shown between the mode blocks. (Do not switch between the modes directly without an allow.)
CM
CM
CM
CM
CM
CM
CM
CM
Middle-speed mode
7
6
5
4
7
6
5
4
Middle-speed mode
=0
=1
=0 (8 MHz oscillating)
=0 (32 kHz stopped)
=0
=1
=0 (8 MHz oscillating)
=1 (32 kHz oscillating)
2: The all modes can be switched to the stop mode or the wait mode and return to the source mode when the stop mode or the
3: Timer operates in the wait mode.
4: When the stop mode is ended, a delay of approximately 1 ms occurs by connecting prescaler 12 and Timer 1 in middle/high-
5: When the stop mode is ended, a delay of approximately 0.25 s occurs by Timer 1 and Timer 2 in low-speed mode.
6: Wait until oscillation stabilizes after oscillating the main clock X
7: The example assumes that 8 MHz is being applied to the X
(f(φ) = 1 MHz)
(f(φ) = 1 MHz)
wait mode is ended.
speed mode.
high-speed mode.
Reset
CM
“1”←→”0”
CM
“1”←→”0”
Aug 21, 2009
6
6
CM
CM
CM
CM
CM
CM
CM
CM
CM
CM
CM
CM
CM
CM
CM
CM
7
6
5
4
7
6
5
4
7
6
5
4
7
6
5
4
High-speed mode
=0
=0
=0 (8 MHz oscillating)
=0 (32 kHz stopped)
High-speed mode
=0
=0
=0 (8 MHz oscillating)
=1 (32 kHz oscillating)
=1
=0
=0 (8 MHz oscillating)
=1 (32 kHz oscillating)
=1
=0
=1 (8 MHz stopped)
=1 (32 kHz oscillating)
Low-speed mode
Low-speed mode
(f(φ) = 4 MHz)
(f(φ) = 16 kHz)
(f(φ) = 16 kHz)
(f(φ) = 4 MHz)
IN
pin and 32 kHz to the X
IN
before the switching from the low-speed mode to middle/
b7
CIN
b4
pin. φ indicates the internal clock.
CM
CM
CM
b7 b6
0 : I/O port function (stop oscillating)
1 : X
0 : Operating
1 : Stopped
0 0 : φ = f(X
0 1 : φ = f(X
1 0 : φ = f(X
1 1 : Not available
4
5
7
, CM
: Port X
: Main clock (X
CIN-
6
X
: Main clock division ratio selection bit
COUT
CPU mode register
(CPUM : address 003B
C
IN
IN
CIN
switch bit
)/2 (High-speed mode)
)/8 (Middle-speed mode)
oscillating function
)/2 (Low-speed mode)
IN
-X
OUT
) stop bit
16
)