em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 83

• 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)
TC1CK1
TC1 pin
fc/2
fc/2
0
0
1
1
12
10
,fs/2
,fs/2
fc/2
4
2
7
TC1ES
TC1CK0
Bits 5~4(TC1CK1~TC1CK0): Timer/Counter 1 clock source select bits
Bit 3 (TC1M):
Bit 2 (TC1ES):
Bits 1~0:
M
TC1CK
Timer/Counter 1 Configuration
0
1
0
1
MUX
detector
TC1CR
Edge
2
TC1M
External clock
(TC1 pin)
Source
Normal
TC1S
Clock
FC/2
FC/2
Rising
Falling
FC/2
Figure 6-8a Timer/Counter1 Configuration Block Diagram
CAP
Capture
Timer/Counter 1 mode select
Timer/Counter 1 signal edge
Not used, fixed to “0” all the time.
0: Timer/Counter 1 mode
1: Capture mode
0: Increment if the transition from low to high (rising edge) take
1: increment if the transition from high to low (falling edge) take
12
10
7
place on TC1 pin.
place on TC1 pin.
Capture
Inhibit
control
TCR1DB
Resolution
FC=8M
8MHZ
512μS
128μS
16μS
-
EM78F648/644/642/641/548/544/542/541N
8-bit up counter
TCR1DA
Max time
131072μS
32768μS
FC=8M
4096μS
8MHz
-
Capture
Overflow
Comparator
Resolution
FC=16K
16KHZ
256ms
64ms
8ms
-
8-Bit Microcontroller
Max time
FC=16K
65536ms
16384ms
2048ms
16KHz
-
interrupt
TC1
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