參數(shù)資料
型號: M38036M7-XXXSP
廠商: Renesas Technology Corp.
英文描述: 2.5V or 3.3V, 200-MHz, 1:12 Clock Distribution Buffer; Voltage (V): 2.5/3.3 V; Frequency Range: 0 MHz to 200 MHz; Outputs: 12; Operating Range: -40 to 85 C
中文描述: 單芯片8位CMOS微機(jī)
文件頁數(shù): 68/119頁
文件大?。?/td> 1575K
代理商: M38036M7-XXXSP
Rev.1.00
REJ03B0212-0100
Apr 2, 2007
Page 68 of 117
3803 Group (Spec.L)
Fig 66. State transitions of system clock
CM
4
: Port X
C
switch bit
0 : I/O port function (stop oscillating)
1 : X
CIN-
X
COUT
oscillating function
CM
5
: Main clock (X
IN
-X
OUT
) stop bit
0 : Operating
1 : Stopped
CM
7
, CM
6
: Main clock division ratio selection bit
b7 b6
0 0 :
φ
= f(X
IN
)/2 (High-speed mode)
0 1 :
φ
= f(X
IN
)/8 (Middle-speed mode)
1 0 :
φ
= f(X
CIN
)/2 (Low-speed mode)
1 1 : Not available
Reset
C
4
CM
“0
←→
”1
CM
“1
←→
”0
CM
4
“1
←→
”0
CM
6
“1
←→
”0
C
7
C
4
C
5
CM
6
“1”
←→
”0”
CM
6
“1”
←→
”0”
CPU mode register
(CPUM : address 003B
16
)
b7
b4
CM
“0
←→
”1
CM
“1
←→
”0
High-speed mode
(f(
φ
) = 4 MHz)
CM
7
=0
CM
6
=0
CM
5
=0 (8 MHz oscillating)
CM
4
=0 (32 kHz stopped)
High-speed mode
(f(
φ
) = 4 MHz)
CM
7
=0
CM
6
=0
CM
5
=0 (8 MHz oscillating)
CM
4
=1 (32 kHz oscillating)
Notes1
: Switch the mode by the allows shown between the mode blocks. (Do not switch between the modes directly without an allow.)
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
wait mode is ended.
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-
speed mode.
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
IN
before the switching from the low-speed mode to middle/
high-speed mode.
7
: The example assumes that 8 MHz is being applied to the X
IN
pin and 32 kHz to the X
CIN
pin.
φ
indicates the internal clock.
Middle-speed mode
(f(
φ
) = 1 MHz)
CM
7
=0
CM
6
=1
CM
5
=0 (8 MHz oscillating)
CM
4
=0 (32 kHz stopped)
Middle-speed mode
(f(
φ
) = 1 MHz)
CM
7
=0
CM
6
=1
CM
5
=0 (8 MHz oscillating)
CM
4
=1 (32 kHz oscillating)
Low-speed mode
(f(
φ
) = 16 kHz)
CM
7
=1
CM
6
=0
CM
5
=0 (8 MHz oscillating)
CM
4
=1 (32 kHz oscillating)
Low-speed mode
(f(
φ
) = 16 kHz)
CM
7
=1
CM
6
=0
CM
5
=1 (8 MHz stopped)
CM
4
=1 (32 kHz oscillating)
相關(guān)PDF資料
PDF描述
M38036M7-XXXWG 2.5V or 3.3V, 200-MHz, 1:12 Clock Distribution Buffer; Voltage (V): 2.5/3.3 V; Frequency Range: 0 MHz to 200 MHz; Outputs: 12; Operating Range: 0 to 70 C
M38036M8L-XXXHP 2.5V or 3.3V, 200-MHz, 1:12 Clock Distribution Buffer; Voltage (V): 2.5/3.3 V; Frequency Range: 0 MHz to 200 MHz; Outputs: 12; Operating Range: -40 to 85 C
M38036M8L-XXXKP 2.5V or 3.3V, 200-MHz, 1:12 Clock Distribution Buffer; Voltage (V): 2.5/3.3 V; Frequency Range: 0 MHz to 200 MHz; Outputs: 12; Operating Range: -40 to 85 C
M38036M8L-XXXSP SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M38036M8L-XXXWG SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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