em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 88

• 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
78 •
TC3CK2
0
0
0
0
1
1
1
1
TC3CK1
0
0
1
1
0
0
1
1
6.3.53 Bank0 R4D: TCR2DL (Timer 2 Low Byte Data Buffer
Bits 7~0 (TCR2D7~ TCR2D0): 16-bit Timer/Counter 2 of low byte data buffer
6.3.54 Bank0 R4E: TC3CR (Timer 3 Control Register)
Bits 7~6 (TC3FF1~TC3FF0): Timer/Counter 3 flip-flop control
Bit 5 (TC3S): Timer/Counter 3 start control
Bits 4~2 (TC3CK2~TC3CK0): Timer/Counter 3 clock source select
Bits 1~0(TC3M1~TC3M0): Timer/Counter 3 operation mode select.
TCR2D7
TC3FF1
Bit 7
Bit 7
TC3CK0
0
1
0
1
0
1
0
1
TCR2D6
TC3FF0
Bit 6
Bit 6
0: Stop and clear counter
1: Start timer/counter
CLOCK Source
FC/211
FC/27
FC/25
FC/23
FC/22
FC/2
FC
External clock
(TC3 pin)
TC3M1
TC3FF1
Normal
TCR2D5
0
0
1
1
0
0
1
1
Bit 5
TC3S
Bit 5
TCR2D4
TC3CK2
256μs
16μs
4μs
1μs
500ns
250ns
125ns
Resolution
Bit 4
Bit 4
FC=8M
TC3M0
8MHZ
(This specification is subject to change without further notice)
Register)
-
0
1
0
1
TC3FF0
0
1
0
1
TCR2D3
TC3CK1
Bit 3
Bit 3
65536μs
4096μs
1024μs
256μs
128μs
64μs
32μs
Product Specification (V1.0) 05.05.2010
Max Time
FC=8M
8MHz
Timer/Counter
Reserved
Programmable Divider output
Pulse Width Modulation output
-
TCR2D2
TC3CK0
Bit 2
Bit 2
Operating Mode
Operating Mode
128ms
8ms
2ms
500μs
250μs
125μs
62.5μs
Resolution
FC=16K
Clear
Toggle
Set
Reserved
16KHZ
TCR2D1
-
Bit 1
TC3M1
Bit 1
32768ms
2048ms
512ms
128ms
64ms
32ms
16ms
Max Time
FC=16K
TCR2D0
16KHz
TC3M0
Bit 0
Bit 0
-