参数资料
型号: M37542F8HP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQCC36
封装: 6 X 6 MM, 0.50 MM PITCH, PLASTIC, WQFN-36
文件页数: 8/124页
文件大小: 1238K
代理商: M37542F8HP
7542 Group
Rev.3.03
Jul 11, 2008
Page 103 of 117
REJ03B0006-0303
Table 24 Timing requirements (3)
(Mask ROM version: VCC = 2.2 to 5.5 V, VSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted) (This is only for the mask ROM version.)
Min.
Typ.
Max.
Symbol
Parameter
Limits
Unit
Reset input “L” pulse width
External clock input cycle time
External clock input “H” pulse width
External clock input “L” pulse width
CNTR0 input cycle time
CNTR0, INT0, INT1, CAP0, CAP1 input “H” pulse width (Note 1)
CNTR0, INT0, INT1, CAP0, CAP1 input “L” pulse width (Note 1)
Serial I/O1, serial I/O2 clock input cycle time (Note 2)
Serial I/O1, serial I/O2 clock input “H” pulse width (Note 2)
Serial I/O1, serial I/O2 clock input “L” pulse width (Note 2)
Serial I/O1, serial I/O2 input set up time
Serial I/O1, serial I/O2 input hold time
tW(RESET)
tC(XIN)
tWH(XIN)
tWL(XIN)
tC(CNTR0)
tWH(CNTR0)
tWL(CNTR0)
tC(SCLK1)
tWH(SCLK1)
tWL(SCLK1)
tsu(RxD1–SCLK1)
th(SCLK1–RxD1)
2
500
200
1000
460
4000
1900
800
400
s
ns
Notes 1: As for CAP0, CAP1, it is the value when noise filter is not used.
2: In this time, bit 6 of the serial I/O1 control register (address 001A16) is set to “1” (clock synchronous serial I/O is selected).
When bit 6 of the serial I/O1 control register is “0” (clock asynchronous serial I/O1 is selected), the rating values are divided by 4.
In this time, bit 6 of the serial I/O2 control register (address 003016) is set to “1” (clock synchronous serial I/O is selected).
When bit 6 of the serial I/O2 control register is “0” (clock asynchronous serial I/O is selected), the rating values are divided by 4.
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