M3727GM6 Datasheet, PDF (118/129 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M3727GM6/M8–XXXSP/FP M37272E8SP/FP
Address 00EB16
Serial I/O Mode Register
b7 b6 b5 b4 b3 b2 b1 b0
0
0
Serial I/O mode register (SM) [Address 00EB16]
B
Name
0, 1 Internal synchronous
clock selection bits
(SM0, SM1)
Functions
After reset R W
b1 b0
0 RW
0 0: f(XIN)/4 or f(XCIN)/4
0 1: f(XIN)/16 or f(XCIN)/16
1 0: f(XIN)/32 or f(XCIN)/32
1 1: f(XIN)/64 or f(XCIN)/64
2 Synchronous clock
selection bit (SM2)
3 _{Port function}
selection bit (SM3)
4 Fix this bit to “0.”
0: External clock
1: Internal clock
0: P20, P21
1: SCLK, SOUT
0 RW
0 RW
0 RW
5 Transfer direction
0: LSB first
selection bit (SM5) 1: MSB first
0 RW
6 Transfer clock input _{0: Input signal from SIN pin 0 R W}
pin selection bit (SM6) 1: Input signal from SOUT pin
7 Fix this bit to “0.”
0 RW
Address 00EC16
A-D Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
A-D control register 1 (AD1) [Address 00EC16]
B
Name
0 Analog input pin selection
to bits
2 (ADC10 to ADC12)
Functions
b2 b1 b0
0 0 0 : AD1
0 0 1 : AD2
0 1 0 : AD3
0 1 1 : AD4
1 0 0 : AD5
1 0 1 : AD6
1 1 0:
1 1 1:
Do not set.
After reset R W
0 _RW
3 This bit is a write disable bit.
When this bit is read out, the value is “0.”
0 _R—
4 Storage bit of comparison
result (ADC14)
0: Input voltage < reference voltage
1: Input voltage > reference voltage
Indeterminate _{R W}
5 Nothing is assigned. This bits are write disable bits.
to When these bits are read out, the values are “0.”
7
0 _R—
Rev.1.00 Apr 01, 2001 page 118 of 127
REJ03B0132-0100Z