em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 102

• 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
92 •
6.3.95 Bank1 R2C~R2E: (Not Used)
6.3.96 Bank1 R2F: PWMACR (PWM A Control Register)
Bits 7~4:
Bit 3(TRCBA):
Bits 2~0:
6.3.97 Bank1 R30: PWMBCR (PWM B Control Register)
Bits 7~4:
Bit 3(TRCBB): B Read Control bit
Bits 2~0:
6.3.98 Bank1 R31: (Not Used)
6.3.99 Bank1 R32: TACR (Timer A Control Register)
Bits 7~3:
Bit 7
Bit 7
Bit 7
0
0
0
Bit 6
Bit 6
Bit 6
0
0
0
Not used, fixed to “0” all the time.
0: When this bit set to 0, the values of PRDB[9]~PRDB[0] in PRDBL
1: When this bit set to 1, the values of PRDB[9]~PRDB[0] in PRDBL
Not used, fixed to “0” all the time.
Not used, fixed to “0” all the time.
Not used, fixed to “0” all the time.
Timer A Read Control bit
0: When this bit set to “0”, the values of PRDA[9]~PRDA[0] in
1: When this bit set to “1”, READ values FROM PRDA[9]~PRDA[0]
Not used, fixed to “0” all the time.
TAP2
and PRDxH are PWMB period data
and PRDxH are PWMB timer data
PRDAL and PRDxH are PWMA period data.
in PRDAL and PRDxH are PWMA timer data.
0
0
0
0
1
1
1
1
Bit 5
Bit 5
Bit 5
0
0
0
TAP1
0
0
1
1
0
0
1
1
Bit 4
Bit 4
Bit 4
0
0
0
(This specification is subject to change without further notice)
T1AP0
0
1
0
1
0
1
0
1
TRCBA
TRCBB
Bit 3
Bit 3
Bit 3
0
Product Specification (V1.0) 05.05.2010
Prescaler
1 : 2 (Default)
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
TAP2
Bit 2
Bit 2
Bit 2
0
0
TAP1
Bit 1
Bit 1
Bit 1
0
0
TAP0
Bit 0
Bit 0
Bit 0
0
0