參數(shù)資料
型號(hào): UPD703204
廠商: NEC Corp.
英文描述: 32-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 32位單晶片微控制器
文件頁(yè)數(shù): 34/98頁(yè)
文件大?。?/td> 797K
代理商: UPD703204
Preliminary Product Information U15436EJ1V0PM
34
μ
PD703201, 703201Y, 703204, 703204Y, 70F3201, 70F3201Y, 70F3204, 70F3204Y
7. CLOCK GENERATION FUNCTION
The clock generation function has the following features.
{
Main clock oscillator
2 to 17 MHz (@ V
DD
= 2.3 to 2.7 V operation)
2 to 13.5 MHz (@ V
DD
= 2.2 to 2.7 V operation)
{
Subclock oscillator
32.768 kHz (@ V
DD
= 2.2 to 2.7 V operation)
{
Internal system clock generation
6 levels (f
XX
, f
XX
/2, f
XX
/4, f
XX
/8, f
XX
/16, f
XX
/32)
{
Peripheral clock generation
{
Clock output function
The following figure shows the configuration of the clock generation function.
FRC bit
MFRC bit
CK2 to CK0 bits
STOP mode
Subclock
oscillator
Port CM
WDT clock control
Prescaler 1
Prescaler 2
IDLE
control
HALT
control
HALT mode
CPU clock
A/D converter
RTC clock
Peripheral clock
WDT clock
Internal system
clock
Prescaler 3
Main clock
oscillator
Main clock
oscillator
stop control
XT1
XT2
CLKOUT
X1
X2
IDLE mode
f
XX
/32
f
XX
/16
f
XX
/8
f
XX
/4
f
XX
/2
f
XX
f
CPU
f
CLK
f
XX
to f
XX
/512
f
X
/2
6
to f
X
/2
9
f
XT
f
XT
f
X
f
XX
f
XW
S
Remark
f
X,
f
XX
: Main clock frequency
f
XT
: Subclock frequency
f
CPU
: CPU clock frequency
f
CLK
: Internal system clock frequency
f
XW
: Watchdog timer clock frequency
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