HD404654 Datasheet, PDF (106/111 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

HD404654 Series
R_L = 100 kΩ
TONEC
R_L = 100 kΩ
TONER
GND
Figure 79 TONE Output Load Circuit
R_L = 100 kΩ
TONEC
TONER
GND
Figure 80 Distortion dB_CR Load Circuit
OSC ₁
V_CC – 0.3 V
0.3 V
t_CPr
1/f_CP
t_CPH
t_CPL
t_CPf
Figure 81 External Clock Timing
INT₀, INT₁, EVND
0.9 V_CC
0.1 V_CC
t _IH
t _IL
Figure 82 Interrupt Timing
104