HD404849 Datasheet, PDF (4/127 Pages) Hitachi Semiconductor – 4-Bit Single-Chip Microcomputer

HD404849 Series
 Six by internal sources
• Subroutine stack up to 16 levels, including interrupts
• Four low-power dissipation modes
 Standby mode
 Stop mode
 Watch mode
 Subactive mode
• One external input for transition from stop mode to active mode
• Instruction cycle time: 0.89 µs (f_OSC = 4.5 MHz)
• Operation voltage
 V_CC = 2.7 V to 6.0 V (subactive mode: 2.2 V to 6.0 V) (HD404848, HD404849)
 V_CC = 2.7 V to 5.5 V (HD4074849)
• Two operating modes
 MCU mode (HD404848, HD4048412, HD404849)
 MCU/PROM mode (HD4074849 only)
Ordering Information
Type
Mask ROM
Product Name
HD404848
Model Name
HD404848H
ROM (words)
8,192
HD404848FS
HD404848TF
HD4048412
HD4048412H
12,288
HD4048412FS
HD4048412TF
HD404849
HD404849H
16,384
HD404849FS
HD404849TF
ZTAT™
HD4074849
HD4074849H
16,384
HD4074849FS
HD4074849TF
RAM (digits)
512
1,184
1,184
1,184
Package
80-pin plastic QFP
(FP-80A)
80-pin plastic QFP
(FP-80B)
80-pin plastic
TQFP (TFP-80C)
80-pin plastic QFP
(FP-80A)
80-pin plastic QFP
(FP-80B)
80-pin plastic
TQFP (TFP-80C)
80-pin plastic QFP
(FP-80A)
80-pin plastic QFP
(FP-80B)
80-pin plastic
TQFP (TFP-80C)
80-pin plastic QFP
(FP-80A)
80-pin plastic QFP
(FP-80B)
80-pin plastic
TQFP (TFP-80C)
2