CHAPTER 4 PORT FUNCTIONS
User’s Manual U16896EJ2V0UD
97
4.3.7 Port CM
Port CM is a 2-bit I/O port for which I/O settings can be controlled in 1-bit units.
Port CM includes the following alternate functions.
Table 4-10. Alternate-Function Pins of Port CM
Pin No.
Pin Name
Alternate Function
I/O
PULL
Note
Remark Block
Type
45 PCM0
−
−
C-U
46 PCM1
CLKOUT
Output
Yes –
D0-U
Note
Software pull-up function
(1) Port CM register (PCM)
0 is output
1 is output
PCMn
0
1
Control of output data (in output mode) (n = 0, 1)
After reset: 00H (output latch) R/W Address: FFFFF00CH
0
PCM
0
0
0
0
0
PCM1
PCM0
(2) Port CM mode register (PMCM)
Output mode
Input mode
PMCMn
0
1
Control of I/O mode (n = 0, 1)
After reset: FFH R/W Address: FFFFF02CH
1
PMCM
1
1
1
1
1
PMCM1
PMCM0
(3) Port CM mode control register (PMCCM)
0
PMCCM
0
0
0
0
0
PMCCM1
0
I/O port
CLKOUT output
PMCCM1
0
1
Specification of PCM1 pin operation mode
After reset: 00H R/W Address: FFFFF04CH
Содержание ?PD703302
Страница 2: ...User s Manual U16896EJ2V0UD 2 MEMO ...