DATA SHEET MOS INTEGRATED CIRCUIT µPD780982, 7809.
NEC
UPD780988A - 8-BIT SINGLE-CHIP MICROCONTROLLERS
DATA SHEET MOS INTEGRATED CIRCUIT µPD780982, 780983, 780984, 780986, 780988, 780982(A), 780983(A), 780984(A), 780986(A), 780988(A) 8-BIT SINGLE-CHIP M.