Datasheet

V850ES/JG3 CHAPTER 4 PORT FUNCTIONS
R01UH0015EJ0300 Rev.3.00 Page 97 of 870
Sep 30, 2010
4.3.8 Port CM
Port CM is a 4-bit port for which I/O settings can be controlled in 1-bit units.
Port CM includes the following alternate-function pins.
Table 4-11. Port CM Alternate-Function Pins
Pin Name Pin No. Alternate-Function Pin Name I/O Remark Block Type
PCM0 61 WAIT Input D-1
PCM1 62 CLKOUT Output D-2
PCM2 63 HLDAK Output D-2
PCM3 64 HLDRQ Input
−
D-1
(1) Port CM register (PCM)
0
Outputs 0.
Outputs 1.
PCMn
0
1
Output data control (in output mode) (n = 0 to 3)
PCM 0 0 0 PCM3 PCM2 PCM1 PCM0
After reset: 00H (output latch) R/W Address: FFFFF00CH
(2) Port CM mode register (PMCM)
1
Output mode
Input mode
PMCMn
0
1
I/O mode control (n = 0 to 3)
PMCM 1 1 1 PMCM3 PMCM2 PMCM1 PMCM0
After reset: FFH R/W Address: FFFFF02CH