CXP87948
CXP87948 is CMOS 8-bit Single Chip Microcomputer manufactured by Sony Semiconductor Solutions.
CXP87940/87948
CMOS 8-bit Single Chip Microputer
Description The CXP87940/87948 is a CMOS 8-bit single chip microputer which consists of A/D converter, serial interface, timer/counter, time base timer, high precision timing pattern generation circuit, PWM output, VISS/VASS circuit, 32k Hz timer/counter, remote control reception circuit, VSYNC separator and the measurement circuit which measures signals of capstan FG and drum FG/PG and other servo systems, as well as basic configurations like 8-bit CPU, ROM, RAM and I/O port. Also the CXP87940/87948 provides sleep/stop functions which enable to lower power consumption. 100 pin QFP (PIastic)
Structure Silicon gate CMOS IC
Features
- A wide instruction set (213 instructions) which covers various types of data
- 16-bit operation/multiplication and division/Boolean bit operation instructions
- Minimum instruction cycle 250ns at 16MHz operation (4.5V to 5.5V) 122µs at 32k Hz operation (2.7V to 5.5V)
- Incorporated ROM capacity 40K bytes (CXP87940), 48K bytes (CXP87948)
- Incorporated RAM capacity 1376 bytes
- Peripheral functions
- A/D converter 8 bits, 12 channels, successive approximation method (Conversion time of 20.0µs at 16MHz)
- Serial Interface Incorporated buffer RAM (Auto transfer for 1 to 32 bytes), 1 channel Incorporated 8-bit and 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel Incorporated two-wire 8-bit and 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel
- Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer, 32k Hz timer/counter
- High-precision timing pattern generator PPG: maximum of 19 pins, 32 stages programmable RTG: 5 pins, 2 channels
- PWM/DA gate output PWM: 12 bits, 2 channels (Repetitive frequency of 62k Hz at 16MHz) DA gate pulse output: 13 bits, 4 channels
- Servo input control Capstan FG, drum FG/PG, CTL input
- VSYNC separator
- FRC capture unit Incorporated 26-bit and 8-stage FIFO
- PWM output 14 bits
- VISS/VASS circuit Pulse duty auto detection circuit
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