Chapter 2. GMS37XXX
Port operation
Value of X-reg Value of Y-reg
Operation
SO : D(Y)
RO : D(Y)
1 (High-Z)
0
0 ~ 7
0 or 1
0 or 1
0 or 1
REMOUT port repeats ‘’H’’ and ‘’L’’ in pulse
frequency. (when PMR = 5, it is fixed at ‘’H’’ )
SO : REMOUT (PMR)
RO : REMOUT (PMR)
8
9
1
0
SO : D0 ~ D9
RO : D0 ~ D9
1 (High-Z)
0
SO : R(Y-Ah)
RO : R(Y-Ah)
1
0
0 or 1
0 or 1
0 or 1
A ~ D
SO : R0 ~ R3
RO : R0 ~ R3
1
0
E
F
SO : D0 ~ D9
RO : D0 ~ D9
1 (High-Z), R0 ~ R3
0,
1
0
R0 ~ R3
SO : D(8)
RO : D(8)
1 (High-Z)
0
2 or 3
2 or 3
0
1
SO : D(9)
RO : D(9)
1 (High-Z)
0
Optional Features
The GMS37XXX series offer the following optional features.
Theses options are masked.
•
•
•
I/O terminals having pull-up resistor : R0 ~ R3
Input terminals having STOP release mode : K0 ~ K3, R0 ~ R3.
Output form at STOP mode
‘’L’’ or keep before stop mode.
D0 ~ D9 :
Theses options are offered default.
•
•
Ceramic oscillation circuit contained (or not contained)
[ This option is not available for MHz Ceramic oscillator. ]
Instruction cycle selection :
T = 48 / fOSC or 6 / fOSC
2-7
HYNIX [ HYNIX SEMICONDUCTOR ]
