sh66k12 SinoWealth Micro-Electronics Corp. Ltd, sh66k12 Datasheet - Page 5

• Manufacturer Part Number: sh66k12
• Description: Mask 4-bit Microcontroller With Lcd Driver
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

System Register $0D:
Up to 4 different bonding options is possible for the user's needs. The chip's program has 4 different program flows that will vary
depending on which bonding option is used. The readable contents of B1 and B0 will differ depending on bonding.
Address
$0D
Bit 3
X
X
X
X
-
Bit 2
GND
X
X
X
X
-
B1
GND
B1
B1 = 1 B0 = 0
B1 = 0 B0 = 0
Bit 1
B1
1
0
1
0
Bit 0
B0
0
0
1
1
V
V
B0
B0
DD
DD
SH66K12 Bonding Option
R/W
R
PCB
PCB
Bit0: Bonding option 0, internal weak drive
Bit1: Bonding option 1, internal weak drive
B1 bond to GND
B0 bond to V
B1 bond to GND and B0 bond to V
5
GND
DD
B1
GND
B1
B1 = 0 B0 = 1
Remarks
B1 = 1 B0 = 1
V
V
B0
B0
DD
DD
DD
SH66K12
Power-on
Pull low
Pull high
Yes