em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 103

• 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)
6.3.100 Bank1 R33: TBCR (Timer B Control Register)
6.3.101 Bank1 R34: (Not Used)
6.3.102 Bank1 R35: TAPRDH (Timer A Period Buffer Register)
6.3.103 Bank1 R36: TBPRDH (Timer B Period Buffer Register)
6.3.104 Bank1 R37: (Not Used)
6.3.105 Bank1 R38: TADTH (Timer A Duty Buffer Register)
6.3.106 Bank1 R39: TBDTH (Timer B Duty Buffer Register)
Bits 2~0 (TBP2~TBP0): Timer B Prescaler bits
Bits 7~3:
Bits 7~0 (PRDA[9]~PRDA[2]): The contents of this register is a period of Timer A.
Bits 7~0 (PRDB[9]~PRDB[2]): The contents of this register is a period of Timer B.
Bits 7~0 (DTA[9]~ DTA[2]): The contents of this register is a duty of Timer A.
Bits 7~0 (DTB[7]~DTB[0]): The contents of this register is a duty of Timer B.
PRDA[9]
PRDB[9]
DTA[9]
DTB[9]
Bit 7
Bit 7
Bit 7
Bit 7
Bit 7
0
PRDA[8]
PRDB[8]
DTA[8]
DTB[8]
Bit 6
Bit 6
Bit 6
Bit 6
Bit 6
0
Not used, fixed to “0” all the time.
TBP2
0
0
0
0
1
1
1
1
PRDB[7]
PRDB[7]
DTA[7]
DTB[7]
Bit 5
Bit 5
Bit 5
Bit 5
Bit 5
0
TBP1
0
0
1
1
0
0
1
1
PRDB[6]
PRDB[6]
EM78F648/644/642/641/548/544/542/541N
Bit 4
DTA[6]
DTB[6]
Bit 4
Bit 4
Bit 4
Bit 4
0
TBP0
0
1
0
1
0
1
0
1
PRDB[5]
PRDB[5]
DTA[5]
DTB[5]
Bit 3
Bit 3
Bit 3
Bit 3
Bit 3
0
1 : 2 (Default)
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
Prescaler
PRDB[4]
PRDB[4]
DTA[4]
DTB[4]
TBP2
Bit 2
Bit 2
Bit 2
Bit 2
Bit 2
8-Bit Microcontroller
PRDB[3]
PRDB[3]
DTA[3]
DTB[3]
Bit 1
TBP1
Bit 1
Bit 1
Bit 1
Bit 1
PRDB[2]
PRDB[2]
DTA[2]
DTB[2]
Bit 0
TBP0
Bit 0
Bit 0
Bit 0
Bit 0
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