Z87233 Datasheet, PDF (37/71 Pages) Zilog, Inc. – CMOS Z8-R MCU Consumer Controller Processor

Z87233
CMOS Z8“ MCU Consumer Controller Processor
31
point. The actual Low-Voltage Protection trip point is a function of temperature
and process parameters (Figure 15).
V_CC
(Volts)
3.80
3.60
3.40
3.20
3.00
V_LV (Typical)
2.80
2.60
2.40
-60° -40° -20° 0°
Temp
+20° +40° +60° +80° +100° +120° +140°
Figure 15.Typical Low-Voltage Protection vs. Temperature
Table 14. Maximum (V_LV) Conditions:
Internal Clock Frequency equal or less than 4 MHz
Note: The internal clock frequency relationship to the CRYSTAL clock
is dependent on SMR Bit 0 1 setting.
Control Registers
The Z87233 offers 2 banks of registers, as detailed in the following pages.
PS022701-0104