UPD780021AY中文资料瑞萨数据手册PDF规格书

DESCRIPTION

The µPD78F0034B is a member of the µPD780034A Subseries in the 78K/0 Series, and is equivalent to the µPD780034A (expanded-specification product) but with flash memory in place of internal ROM.

The µPD78F0034BY is a member of the µPD780034AY Subseries, featuring flash memory in place of the internal ROM of the µPD780034AY.

The µPD78F0034B(A) and 78F0034BY(A) are products to which a quality assurance program more stringent than that used for the µPD78F0034B and 78F0034BY (standard models) is applied (NEC Electronics classifies these products as special quality grade models).

The µPD78F0034B, 78F0034BY, 78F0034B(A), and 78F0034BY(A) incorporate flash memory, which can be programmed and erased while mounted on the board.

FEATURES

• Pin-compatible with mask ROM versions (except VPP pin)

• Flash memory: 32 KBNote

• Internal high-speed RAM: 1,024 bytesNote

• Supply voltage: VDD = 1.8 to 5.5 V