em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 96

• Manufacturer Part Number: em78f644nso28s
• Description: Flash Series 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

EM78F648/644/642/641/548/544/542/541N
8-Bit Microcontroller
86 •
6.3.74 Bank1 R17: P5ODCR (Port 5 Open Drain Control Register)
Bits 7~0 (OD57~OD50): Open-Drain control bits
6.3.75 Bank1 R18: P6ODCR (Port 6 Open Drain Control Register)
Bits 7~0 (OD67~OD60): Open-Drain control bits
6.3.76 Bank1 R19: P7ODCR (Port 7 Open Drain Control Register)
Bits 7~0 (OD77~OD70): Open-Drain control bits
6.3.77 Bank1 R1A: P8ODCR (Port 8 Open Drain Control Register)
Bits 7~0 (OD87~OD80): Open-Drain control bits
6.3.78 Bank1 R1B: P9ODCR (Port 9 Open Drain Control Register)
Bits 7~0 (OD97~OD90): Open-Drain control bits
OD67
OD57
OD77
OD87
OD97
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
OD66
OD56
OD76
OD86
OD96
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
0: Disable open-drain function
1: Enable open-drain function
0: Disable open-drain function
1: Enable open-drain function
0: Disable open-drain function
1: Enable open-drain function
0: Disable open-drain function
1: Enable open-drain function
0: Disable open-drain function
1: Enable open-drain function
OD65
OD55
Bit 5
OD75
OD85
OD95
Bit 5
Bit 5
Bit 5
Bit 5
OD64
Bit 4
OD54
OD74
OD84
OD94
Bit 4
Bit 4
Bit 4
Bit 4
(This specification is subject to change without further notice)
OD63
Bit 3
OD53
OD73
OD83
OD93
Bit 3
Bit 3
Bit 3
Bit 3
Product Specification (V1.0) 05.05.2010
OD62
Bit 2
OD52
OD72
OD82
OD92
Bit 2
Bit 2
Bit 2
Bit 2
OD61
Bit 1
OD51
OD71
OD81
OD91
Bit 1
Bit 1
Bit 1
Bit 1
OD60
Bit 0
OD50
OD70
OD80
OD90
Bit 0
Bit 0
Bit 0
Bit 0