sh6616 SinoWealth Micro-Electronics Corp. Ltd, sh6616 Datasheet - Page 5

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

System Register 0CH
Up to 4 different bonding options are 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 OP1 and OP0 will differ depending on bonding.
2.4. Data Pointer
Data memory can be indirectly addressed by the Data Pointer. The pointer address is located in register DPH (3-bits), DPM
(3-bits) and DPL (4-bits). Pseudo index address (INX) is used to read or write Data memory, then RAM address bit9-bit0
originates from DPH, DPM and DPL.
Address
$0CH
Bit 3
X
X
X
X
-
V
V
Bit 2
DD
DD
X
X
X
X
-
OP1 = 0 OP0 = 1
OP1 = 0 OP0 = 0
OP1
OP1
Bit 1
OP1
1
0
1
0
Bit 0
OP0
GND
GND
OP0
OP0
0
0
1
1
SH6616 Bonding Option
R/W
R
5
PCB
PCB
Bit0: Bonding option 0, internal weak drive
Bit1: Bonding option 1, internal weak drive
OP0 bond to GND and OP1 bond to V
OP0 bond to GND
OP1 bond to V
V
V
DD
DD
DD
OP1
OP1
OP1 = 1 OP0 = 0
OP1 = 1 OP0 = 1
Remarks
GND
GND
OP0
OP0
DD
SH6616
Power-on
Pull high
Pull low
Yes