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參數(shù)資料
| 型號： | HE83R540 |
| 廠商： | King Billion Electronics Co., Ltd. |
| 英文描述： | 8-BIT MICRO-CONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數(shù)： | 11/11頁 |
| 文件大小： | 310K |
| 代理商： | HE83R540 |
J. Important Note
KING BILLION ELECTRONICS CO., LTD
駿
億
電
子
股
份
有
限
公
司
HE83R540
HE80000 SERIES
11
V1.31E
1. For accessing any address large than 64KB, users must update TPP first, TPH then TPL. Only by this
order, the pre-charge circuit of ROM will work correctly. 5us waiting is necessary before LDV
instruction is executed since Data ROM is a low speed ROM. Users can not emulate this accessing
process in ICE. So 5us delay should be added by firmware.
2. LCD driving circuit must be turn off before IC goes into sleep mode.
3. Please bonds the TSTP_P, RSTP_N and PRTD[7:0] with test point on PCB (can be soldered and
probed) as you can, then KB can do some IC testing job on PCB. Please connect TSTP_P pin with
zero ohm resistor(or copper wire which can be cut on PCB) normally for
good ESD result
. KB can
pull
low
the TSTP_P pin by remove the zero ohm resistor . The following figure is an example
(Testing point with through hole).
4. LV5 must small than 9.0 Volt. Otherwise IC may breakdown.
K. Updated Record
Version
Date
Jul 2,
2002
Section
Original Content
New Content
V1.31
I
Modify Application Circuit
Add zero Ohm resistor
to TSTP_P.
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