Справочник Пользователя для IBM EM78P259N/260N
EM78P259N/260N
8-Bit Microprocessor with OTP ROM
18
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Product Specification (V1.2) 05.18.2007
(This specification is subject to change without further notice)
0
= increment if the transition from low to high takes place on the
TCCC pin
1
= increment if the transition from high to low takes place on the
TCCC pin
6.2.6 IOCA0 (IR and TCCC Scale Control Register)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TCCCSE TCCCS2 TCCCS1 TCCCS0
IRE
HF
LGP
IROUTE
Bit 7 (TCCCSE):
Scale enable bit for TCCC
An 8-bit counter is provided as scaler for TCCC and IR-Mode. When
in IR-Mode, TCCC counter scale uses the low time segments of the
pulse generated by Fcarrier frequency modulation (see Fig. 6-11 in
Section 6.8.2, Function Description).
pulse generated by Fcarrier frequency modulation (see Fig. 6-11 in
Section 6.8.2, Function Description).
0
= scale disable bit, TCCC rate is 1:1
1
= scale enable bit, TCCC rate is set as Bit 6 ~ Bit 4