sh6616 SinoWealth Micro-Electronics Corp. Ltd, sh6616 Datasheet - Page 25

• Manufacturer Part Number: sh6616
• Description: 16k 4-bit Microcontroller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

12. Pump
The Pump circuit needs OSC32KHz clock. When OSC32KHz clock is stopped, writing ‘1’ to VDE (bit2 of register $1EH) can
disable the Pump. In order to obtain a steady clock, when the OSC32KHz clock begins to vibrate, the pump will not enable in the
first one second even if VDE is set to ‘1’.
13. System Reset
- Hardware reset input
- Warm-up timer for power-on reset
Initial State
Program Counter
CY
Data Memory
System Register
AC
Timer Counter
Timer Load Register
Interrupt Enable Flags
Interrupt Request Flags
DPH, DPM, DPL
TBR
LCD Driver Output
Base Timer
PORT A
PORT B
COMSE
VDE
LCDI1, LCDI1
Bank
Hardware
After Power-on Reset
25
$000
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
0
0
Undefined
Undefined
active
stop
$0
$F
0
0
0
0
SH6616