参数资料
型号: ST10R272LT6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 16-BIT, 50 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, TQFP-100
文件页数: 71/77页
文件大小: 707K
代理商: ST10R272LT6
73/77
ST10R272L - ELECTRICAL CHARACTERISTICS
1
The ST10R272L is reset in its default state asynchronously with RSTIN. The internal
RAM content may be altered if an internal write access is in progress.
2
On power-up, RSTIN must be asserted t79 after a stabilized CPU clock signal is available.
3
Internal pullup devices are active on the PORT0 lines, so - input level is high if the respec-
tive pin is left open - or is low if the respective pin is connected to an external pulldown
device.
4
The ST10R272L starts execution here at address 00’0000h.
5RSTOUT stays active until execution of the EINIT (end of initialization) instruction.
6
Activation of the IO pins is controlled by software
Figure 27 External asynchronous hardware reset (power-up reset): Vpp low
RSTIN
PORT1
(Demux Bus)
t76
PORT0
t75
4)
Internal
Reset
Signal
t73
3)
t792)
t74
ALE
RD, WR
RSTOUT 5)
Other IOs
6)
t77
t78
1)
1
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