Registers - NEC V850ES/KE1+ User Manual

12.3 Registers

RTO is controlled using the following two types of registers.
• Real-time output port mode register 0 (RTPM0)
• Real-time output port control register 0 (RTPC0)
(1) Real-time output port mode register 0 (RTPM0)
This register selects the real-time output port mode or port mode in 1-bit units.
The RTPM0 register can be read or written in 8-bit or 1-bit units.
Reset sets this register to 00H.
After reset: 00H
RTPM0
RTPM0m
Cautions 1. To reflect real-time output signals (RTPOUT00 to RTPOUT05) to the pins
CHAPTER 12 REAL-TIME OUTPUT FUNCTION (RTO)
R/W Address: FFFFF6E4H
0 0 RTPM05 RTPM04 RTPM03 RTPM02 RTPM01 RTPM00
Control of real-time output port (m = 0 to 5)
0 Real-time output disabled
1
Real-time output enabled
(RTP00 to RTP05), set them to the real-time output port with the PMC5 and
PFC5 registers.
2. By enabling real-time output operation (RTPC0.RTPOE0 bit = 1), the bits
specified as real-time output enabled perform real-time output, and the bits
specified as real-time output disabled output 0.
3. If real-time output is disabled (RTPOE0 bit = 0), real-time output signals
(RTPOUT00 to RTPOUT05) all output 0, regardless of the RTPM0 register
setting.
User's Manual U16896EJ2V0UD
359