Datasheet

V850ES/JG3 CHAPTER 4 PORT FUNCTIONS
R01UH0015EJ0300 Rev.3.00 Page 99 of 870
Sep 30, 2010
4.3.9 Port CT
Port CT is a 4-bit port for which I/O settings can be controlled in 1-bit units.
Port CT includes the following alternate-function pins.
Table 4-12. Port CT Alternate-Function Pins
Pin Name Pin No. Alternate-Function Pin Name I/O Remark Block Type
PCT0 65 WR0 Output D-2
PCT1 66 WR1 Output D-2
PCT4 67 RD Output D-2
PCT6 68 ASTB Output
−
D-2
(1) Port CT register (PCT)
0
Outputs 0.
Outputs 1.
PCTn
0
1
Output data control (in output mode) (n = 0, 1, 4, 6)
PCT PCT6 0 PCT4 0 0 PCT1 PCT0
After reset: 00H (output latch) R/W Address: FFFFF00AH
(2) Port CT mode register (PMCT)
1
Output mode
Input mode
PMCTn
0
1
I/O mode control (n = 0, 1, 4, 6)
PMCT PMCT6 1 PMCT4 1 1 PMCT1 PMCT0
After reset: FFH R/W Address: FFFFF02AH