Fujitsu 8FX User Manual

MB95630H Series
MN702-00009-2v0-E FUJITSU SEMICONDUCTOR LIMITED 583
CHAPTER 27 NON-VOLATILE REGISTER (NVR) INTERFACE
27.2 Configuration
27.2 Configuration
The NVR interface consists of the following blocks:
• Trimming of Main CR Clock (CRTH and CRTL)
• Watchdog Timer Selection ID (WDTH and WDTL)
• Main CR Temperature Dependent Adjustment (CRTDA)
■ Block Diagram of NVR Interface
Figure 27.2-1 Block Diagram of NVR Interface
- - - CRTH4 CRTH3 CRTH2 CRTH1 CRTH0
- - CRTL4- CRTL3 CRTL2 CRTL1 CRTL0
5
5
4 MHz Main CR clock
CRTH
CRTL
-
- CRTDA4- CRTDA3 CRTDA2 CRTDA1 CRTDA0
5
CRTDA
Main CR clock
oscillator
WDTH7
WDTH6 WDTH5
WDTH4
WDTH3
Equal to 0xA5 ?
Equal to 0x96 ?
Equal to 0x97 ?
WDTH2 WDTH1 WDTH0
WDTL7 WDTL6 WDTL5 WDTL4 WDTL3 WDTL2 WDTL1 WDTL0
8
8
WDTH
WDTL
Watchdog timer

Fujitsu 8FX Specifications

General

Brand	Fujitsu
Model	8FX
Category	Computer Hardware
Language	English