View hd6477043f28 datasheet:

HD6477043F28 (1/3) IL08 C-MOS SINGLE CHIP MICROCOMPUTER —TOP VIEW— 109 72 110 GND 70 VDD 115 65 GND VDD 120 GND 60 AGND 125 GND 55 AVDD GND 130 50 135 VDD 45 GND 140 GND VDD 40 144 37 FUNCTION OVER VIEWS . CASH MEMORY (1K BYTE) . COMPARE MATCH TIMER (2 CHANNEL) . WATCH DOG TIMER . SERIAL COMMUNICATION I/F (2 CHANNEL) 108 105 100 95 90 80 75 73 V DD V DD V DD 85 V DD GND GND GND GND GND V DD GND V DD GND 1 5 10 15 20 25 30 35 GND 36 HD6477043F28 (2/3) PIN PIN PIN PIN I/O SIGNAL I/O SIGNAL I/O SIGNAL I/O SIGNAL NO. NO. NO. NO. 1 I/O PA23/ 37 I/O PB6/ /A18/ 73 I/O PD15/D15 109 I/O PE0/TIOC0A/ WRHH IRQ4 BACK DREQ0 2 I/O PE14/TIOC4C/DACK0/ 38 I/O PB7/ /A19/ 74 I/O PD14/D14 11