GMS84512 Datasheet, PDF (8/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

GMS 84512 / 84524
1.5 PIN DESCRIPTION
Classification No. Symbol I/O
Function
Power
27 Vdd Input Power supply (4.5~5.5V)
26 Vss Input Ground (0V)
System
23 TEST Input TEST Input pin
Control or
At 'L' input: SINGLE CHIP MODE
Clock
At 'H' input : TEST MODE
24 Xin Input CRYSTAL connection pin (with Xout)
If an external clock is used, Xin pin should be
connected external clock source
25 Xout Output CRYSTAL connection pin(with Xin)
If an external clock used, Xout pin
should be open
30 RESET Input In the state of 'L' level, system
enter the reset state
OSD
1 HD Input Horizontal synchronizing signal input pin
2 VD Input Vertical synchronizing signal input pin
28 OSC2 Ouptut Clock output for OSD
29 OSC1 Input Clock input for OSD
49 Y Output Switching signal output pin
50 B Output BLUE signal output pin
51 G Output GREEN signal output pin
52 R Output RED signal output pin
PWM
3 PWM0 Output Pulse width modulation output pin
4 PWM1 Output (7BIT PWM)
5 PWM2 Output
6 PWM3 Output
7 PWM4 Output
8 PWM5 Output
9 PWM6 Output
10 PWM7 Output
14 PWM8 Output 14BIT PWM output pin
19 T2048 Output Pulse(2048uS) output pin
SCI
11 Sin Input Serial Data Input pin
12 Sclk I/O Serial Clock I/O pin
13 Sout Output Serial Data output pin
TIMER
17 EC3 Input Event Counter input pin
Type Remark
IA
IA
IA
R53 share
OA R52 share
R51 share
R50 share
R45 share
R44 share
OB R43 share
R42 share
R41 share
R40 share
IOF R37 share
R36 share
IOD R32 share
R25 share
IOE R35 share
IOG R34 share
R33 share
IOB R27 share
1-5