em78f644nso28s ELAN Microelectronics Corp, em78f644nso28s Datasheet - Page 39

• 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)
6.1.22 Bank 1 R9 TC2DH (Timer 2 High Byte Data Buffer)
Bit 7 ~ Bit 0 (TCR2D15 ~ TCR2D8): High byte data buffer of 16-bit Timer/Counter 2
6.1.23 Bank 1 RA TC2DL (Timer 2 Low Byte Data Buffer)
Bit 7 ~ Bit 0 (TC2D7 ~ TC2D0): Low byte data buffer of 16-bit Timer/Counter 2
6.1.24 Bank 1 RB SPIS (SPI Status Register)
Bit 7 (DORD): Data transmission order
TC2 Interrupt
Clock source
TC2D15
TC2D7
DORD
Up-counter
Bit 7
Bit 7
Bit 7
TC2 pin
TCR2
TC2D14
TC2D6
Bit 6
Bit 6
Bit 6
TD1
0: Shift left (MSB first)
1: Shift right (LSB first)
For F642/542N, F641/541N, this register is reserved.
TC2D13
Figure 6-4d Window Mode Timing Diagram
TC2D5
Bit 5
Bit 5
n
For F641/541N, this register is reserved.
For F641/541N, this register is reserved.
Bit 5
0
TD0
1
EM78F648/644/642/641/548/544/542/541N
TC2D12
2
TC2D4
Bit 4
Bit 4
Bit 4
-
NOTE
NOTE
NOTE
n-3
TC2D11
TC2D3
Bit 3
Bit 3
Bit 3
OD3
n-2
TC2D10
TC2D2
Bit 2
Bit 2
Bit 2
OD4
match
8-Bit Microcontroller
n-1
TC2D9
TC2D1
Bit 1
Bit 1
Bit 1
n
-
0
clear counter
1
TC2D8
TC2D0
Bit 0
Bit 0
Bit 0
2
RBF
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