em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 79

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

Product Specification (V1.0) 05.05.2010
(This specification is subject to change without further notice)
6.3.38 Bank0 R35: URRD (UART Receive Data Buffer Register)
Bits 7~0 (URRD7~URRD0): UART receive data buffer. Read only.
6.3.39 Bank0 R36: URTD (UART Transmit Data Buffer Register)
Bits 7~0 (URTD7~URTD0): UART transmit data buffer. Write only.
6.3.40 Bank0 R37: TBPTL (Table Point Low Register)
Bits 7~0 (TB7~TB0): Table point address Bits 7~0
6.3.41 Bank0 R38: TBPTH (Table Point High Register)
Bit 7 (HLB): Take MLB or LSB at machine code
Bits 6~5 (GP1~GP0): General purpose read/write bits
Bits 4~0:
6.3.42 Bank0 R39: CMP1CR (Comparator 1 Control Register)
Bit 7 (C1RS): Comparator input reference source select bit
Bit 6 (CP1OUT): The result of comparator output
URRD7
URTD7
C1RS
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
HLB
TB7
CP1OUT CMP1COS1 CMP1COS0 CP1NS
URRD6
URTD6
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
GP1
TB6
0: CIN1+ source external
1: CIN1+ source internal
Table point address Bits 12~8.
URRD5
URTD5
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
GP0
TB5
EM78F648/644/642/641/548/544/542/541N
URRD4
URTD4
TB12
Bit 4
Bit 4
Bit 4
Bit 4
Bit 4
TB4
URRD3
URTD3
TB11
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
TB3
URRD2
URTD2
CP1PS
TB10
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
TB2
8-Bit Microcontroller
CP1NRE CP1NRDT
URRD1
URTD1
Bit 1
Bit 1
Bit 1
Bit 1
Bit 1
TB1
TB9
URRD0
URTD0
Bit 0
Bit 0
Bit 0
Bit 0
Bit 0
TB8
TB0
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