tmp1940cyaf TOSHIBA Semiconductor CORPORATION, tmp1940cyaf Datasheet - Page 263

• Manufacturer Part Number: tmp1940cyaf
• Description: 32-bit Tx System Risc Tx19 Family
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(2) Shift Edge Types
In transmit mode, leading-edge shift is used. In receive mode, trailing-edge shift is used.
SCK Pin
SO Pin
Shift Register
SCK Pin
SI Pin
Shift Register
Leading-edge shift
SCK).
Trailing-edge shift
SCK).
Every bit of SIO data is shifted by the leading edge of the serial clock (falling edge of
Every bit of SIO data is shifted by the trailing edge of the serial clock (rising edge of
********
76543210 *7654321 **765432 ***76543
TMP1940CYAF-221
bit 0
bit 0
0*******
Figure 14.23 Shift Edge Types
(b) Trailing-Edge Shift
bit 1
bit 1
(a) Leading-Edge Shift
10******
bit 2
bit 2
210*****
bit 3
bit 3
3210**** 43210***
****7654
bit 4
bit 4
*****765
bit 5
bit 5
TMP1940CYAF
543210**
******76
bit 6
bit 6
6543210*
******7
bit 7
bit 7
76543210