Z51F3220FNX Datasheet, PDF (282/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
Table 13-2 Boot Process Description
Process
①
-No Operation
Description
Remarks
②
-1st POR level Detection
-about 1.4V
- (INT-OSC 8MHz/8)x256x28h Delay section (=10ms)
③
-VDD input voltage must rise over than flash operating ^{-Slew Rate 0.15V/ms}
voltage for Config read
④
- Config read point
-about 1.5V ~ 1.6V
-Config Value is determined by
Writing Option
⑤
- Rising section to Reset Release Level
-16ms point after POR or Ext_reset
release
- Reset Release section (BIT overflow)
⑥
i) after16ms, after External Reset Release (External reset) - BIT is used for Peripheral stability
ii) 16ms point after POR (POR only)
⑦
-Normal operation
PS029902-0212
PRELIMINARY
280