HD64F3437TF16 Datasheet, PDF (32/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

Item
Specification
Serial communication • Asynchronous or synchronous mode (selectable)
interface (SCI)
• Full duplex: can transmit and receive simultaneously
(2 channels)
• On-chip baud rate generator
I²C bus interface
(1 channel) [option]
• Conforms to Philips I²C bus interface
• Includes single master mode and slave mode
Host interface (HIF)
• 8-bit host interface port
• Three host interrupt requests (HIRQ₁, HIRQ₁₁, HIRQ₁₂)
• Regular and fast A₂₀ gate output
• Two register sets, each with two data registers and a status register
Keyboard controller • Controls a matrix-scan keyboard by providing a keyboard scan function
with wake-up interrupts and sense ports
A/D converter
• 10-bit resolution
• Eight channels: single or scan mode (selectable)
• Start of A/D conversion can be externally triggered
• Sample-and-hold function
D/A converter
• 8-bit resolution
• Two channels
I/O ports
• 74 input/output lines (16 of which can drive LEDs)
• 8 input-only lines
Interrupts
• Nine external interrupt lines: NMI, IRQ₀ to IRQ₇
• 26 on-chip interrupt sources
Wait control
• Three selectable wait modes
Operating modes
• Expanded mode with on-chip ROM disabled (mode 1)
• Expanded mode with on-chip ROM disabled (mode 1)
• Single-chip mode (mode 3)
Power-down modes
• Sleep mode
• Software standby mode
• Hardware standby mode
Other features
• On-chip clock pulse generator
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